Here's what we know:
► The winner has opted to get a lump-sum payment of $877,784,124.
► The winner remains anonymous. South Carolina is one of eight states where a winner can remain anonymous, and South Carolina Education Lottery officials have said they will respect the winner's wishes.
► The lottery win was for a $1.5 billion prize – the largest ever won by a single person. The only larger lottery payout in the U.S. happened in 2016; the prize was about $50 million more than the Simpsonville winner's, but it was split among three winners. The third largest lottery win in the U.S. was a $759 million Powerball ticket in 2017.
► The winning ticket was sold at KC Mart #7 at 303 Lee Vaughn Road in Simpsonville on October 23, 2018. The store will get a $50,000 payment for selling a ticket, the maximum amount.
► The state of South Carolina will get $61 million in income taxes from the winnings.
► The winning numbers were 5, 28, 62, 65, 70 and Mega Ball 5. The odds of matching all six numbers and winning the top prize was 1 in 302.5 million.
Follow Mike Ellis on Twitter: @MikeEllis_AIM
This article originally appeared on The Greenville News: South Carolina lottery winner claims $1.5 billion Mega Millions prize: What we know