Alright, let's work through 9778186 times 65536048 step by step
9778186 × 65536048 = 65536048 × (9778186)
+ 65536048 × 6 yielding 393216288
+ 65536048 × 80 which equals 5242883840
+ 65536048 × 100 yielding 6553604800
+ 65536048 × 8000 that equals 524288384000
+ 65536048 × 70000 yielding 4587523360000
+ 65536048 × 700000 giving us 45875233600000
+ 65536048 × 9000000 giving us 589824432000000

= 640823667048928
