Alright, let's work through 84823747 times 52746279 step by step
84823747 × 52746279 = 52746279 × (84823747)
+ 52746279 × 7 that results in 369223953
+ 52746279 × 40 what gives us 2109851160
+ 52746279 × 700 resulting in 36922395300
+ 52746279 × 3000 which equals 158238837000
+ 52746279 × 20000 yielding 1054925580000
+ 52746279 × 800000 yielding 42197023200000
+ 52746279 × 4000000 that equals 210985116000000
+ 52746279 × 80000000 what gives us 4219702320000000

= 4474137025087413
