Alright, let's work through 86098089 times 20426708 step by step
86098089 × 20426708 = 20426708 × (86098089)
+ 20426708 × 9 what gives us 183840372
+ 20426708 × 80 that results in 1634136640
+ 20426708 × 000 which equals 0
+ 20426708 × 8000 giving us 163413664000
+ 20426708 × 90000 that is equal 1838403720000
+ 20426708 × 000000 giving us 0
+ 20426708 × 6000000 what gives us 122560248000000
+ 20426708 × 80000000 that equals 1634136640000000

= 1758700523361012
