Alright, let's work through 98479697 times 18487535 step by step
98479697 × 18487535 = 18487535 × (98479697)
+ 18487535 × 7 that results in 129412745
+ 18487535 × 90 that results in 1663878150
+ 18487535 × 600 that equals 11092521000
+ 18487535 × 9000 what gives us 166387815000
+ 18487535 × 70000 which equals 1294127450000
+ 18487535 × 400000 yielding 7395014000000
+ 18487535 × 8000000 that results in 147900280000000
+ 18487535 × 90000000 that results in 1663878150000000

= 1820646845076895
