Alright, let's work through 87609194 times 5459243 step by step
87609194 × 5459243 = 5459243 × (87609194)
+ 5459243 × 4 resulting in 21836972
+ 5459243 × 90 producing 491331870
+ 5459243 × 100 resulting in 545924300
+ 5459243 × 9000 yielding 49133187000
+ 5459243 × 00000 producing 0
+ 5459243 × 600000 resulting in 3275545800000
+ 5459243 × 7000000 that equals 38214701000000
+ 5459243 × 80000000 which equals 436739440000000

= 478279879080142
