Me, we’d set up monthly or annual payouts to most family members.
This would be my plan. Then, in retirement, I'd be doling out money to people I deem deserving of my largess and generosity. On another note, my wife the other day exclaimed "I need to get a lottery ticket because it's now over 1 billion". I said, "I understand; however, was 5 hundred million dollars last week too small of an amount for us to care?".
Oh, I almost forgot, I'd also by a 1963 Chevy Impala hardtop. This was my high school car and is the year of my birth.
Finally, I would invest all of the remainder in a combined toilet paper and revolving door company to see if I could get wiped out before I turn around.