Alright, let's work through 13833856 times 77707108 step by step
13833856 × 77707108 = 77707108 × (13833856)
+ 77707108 × 6 that results in 466242648
+ 77707108 × 50 that equals 3885355400
+ 77707108 × 800 giving us 62165686400
+ 77707108 × 3000 that results in 233121324000
+ 77707108 × 30000 which equals 2331213240000
+ 77707108 × 800000 producing 62165686400000
+ 77707108 × 3000000 what gives us 233121324000000
+ 77707108 × 10000000 resulting in 777071080000000

= 1074988942248448
