Alright, let's work through 28742613 times 29984779 step by step
28742613 × 29984779 = 29984779 × (28742613)
+ 29984779 × 3 yielding 89954337
+ 29984779 × 10 what gives us 299847790
+ 29984779 × 600 that equals 17990867400
+ 29984779 × 2000 producing 59969558000
+ 29984779 × 40000 which equals 1199391160000
+ 29984779 × 700000 resulting in 20989345300000
+ 29984779 × 8000000 that equals 239878232000000
+ 29984779 × 20000000 that equals 599695580000000

= 861840898687527
