8857728565284 has 48 divisors (see below), whose sum is σ = 21495320403200. Its totient is φ = 2836412557056.

The previous prime is 8857728565261. The next prime is 8857728565297. The reversal of 8857728565284 is 4825658277588.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126229729 + ... + 126299880.

Almost surely, 2^{8857728565284} is an apocalyptic number.

It is an amenable number.

8857728565284 is an abundant number, since it is smaller than the sum of its proper divisors (12637591837916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8857728565284 is a wasteful number, since it uses less digits than its factorization.

8857728565284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252529732 (or 252529730 counting only the distinct ones).

The product of its digits is 2408448000, while the sum is 75.

The spelling of 8857728565284 in words is "eight trillion, eight hundred fifty-seven billion, seven hundred twenty-eight million, five hundred sixty-five thousand, two hundred eighty-four".