Alright, let's work through 27688857 times 35498007 step by step
27688857 × 35498007 = 35498007 × (27688857)
+ 35498007 × 7 which equals 248486049
+ 35498007 × 50 producing 1774900350
+ 35498007 × 800 that equals 28398405600
+ 35498007 × 8000 resulting in 283984056000
+ 35498007 × 80000 that equals 2839840560000
+ 35498007 × 600000 which equals 21298804200000
+ 35498007 × 7000000 producing 248486049000000
+ 35498007 × 20000000 that equals 709960140000000

= 982899239607999
