Alright, let's work through 83691739 times 49974156 step by step
83691739 × 49974156 = 49974156 × (83691739)
+ 49974156 × 9 resulting in 449767404
+ 49974156 × 30 which equals 1499224680
+ 49974156 × 700 giving us 34981909200
+ 49974156 × 1000 what gives us 49974156000
+ 49974156 × 90000 that results in 4497674040000
+ 49974156 × 600000 what gives us 29984493600000
+ 49974156 × 3000000 giving us 149922468000000
+ 49974156 × 80000000 resulting in 3997932480000000

= 4182424020697284
