Alright, let's work through 84805832 times 52135144 step by step
84805832 × 52135144 = 52135144 × (84805832)
+ 52135144 × 2 producing 104270288
+ 52135144 × 30 that is equal 1564054320
+ 52135144 × 800 producing 41708115200
+ 52135144 × 5000 what gives us 260675720000
+ 52135144 × 00000 that equals 0
+ 52135144 × 800000 that is equal 41708115200000
+ 52135144 × 4000000 producing 208540576000000
+ 52135144 × 80000000 yielding 4170811520000000

= 4421364263359808
