Alright, let's work through 84867779 times 52756790 step by step
84867779 × 52756790 = 52756790 × (84867779)
+ 52756790 × 9 that equals 474811110
+ 52756790 × 70 that results in 3692975300
+ 52756790 × 700 what gives us 36929753000
+ 52756790 × 7000 yielding 369297530000
+ 52756790 × 60000 resulting in 3165407400000
+ 52756790 × 800000 what gives us 42205432000000
+ 52756790 × 4000000 that is equal 211027160000000
+ 52756790 × 80000000 that is equal 4220543200000000

= 4477351594469410
