Alright, let's work through 96389397 times 5398777 step by step
96389397 × 5398777 = 5398777 × (96389397)
+ 5398777 × 7 producing 37791439
+ 5398777 × 90 yielding 485889930
+ 5398777 × 300 that is equal 1619633100
+ 5398777 × 9000 that is equal 48588993000
+ 5398777 × 80000 what gives us 431902160000
+ 5398777 × 300000 which equals 1619633100000
+ 5398777 × 6000000 that results in 32392662000000
+ 5398777 × 90000000 yielding 485889930000000

= 520384859567469
