Alright, let's work through 87550797 times 6730728 step by step
87550797 × 6730728 = 6730728 × (87550797)
+ 6730728 × 7 that equals 47115096
+ 6730728 × 90 resulting in 605765520
+ 6730728 × 700 producing 4711509600
+ 6730728 × 0000 that is equal 0
+ 6730728 × 50000 what gives us 336536400000
+ 6730728 × 500000 that equals 3365364000000
+ 6730728 × 7000000 giving us 47115096000000
+ 6730728 × 80000000 yielding 538458240000000

= 589280600790216
