It's one of the highest combined totals ever for the two lottery games.
The Mega Millions, with a current jackpot of $549 million, will be drawn at 11 p.m. Eastern today. The Powerball, which is at $314 million, is drawn on Saturday.
The highest Mega Millions jackpot ever won was $656 million in 2012. It was split by winners in three states.
The largest Powerball payout was $242 million in August 2018.