Alright, let's work through 84872523 times 34004605 step by step
84872523 × 34004605 = 34004605 × (84872523)
+ 34004605 × 3 that equals 102013815
+ 34004605 × 20 yielding 680092100
+ 34004605 × 500 what gives us 17002302500
+ 34004605 × 2000 that equals 68009210000
+ 34004605 × 70000 that results in 2380322350000
+ 34004605 × 800000 resulting in 27203684000000
+ 34004605 × 4000000 that results in 136018420000000
+ 34004605 × 80000000 that equals 2720368400000000

= 2886056619968415
