8628857604 has 36 divisors (see below), whose sum is σ = 21958236300. Its totient is φ = 2856980160.

The previous prime is 8628857599. The next prime is 8628857623. The reversal of 8628857604 is 4067588268.

8628857604 is a `hidden beast` number, since 8 + 6 + 28 + 8 + 5 + 7 + 604 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1267217604 + 7361640000 = 35598^2 + 85800^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798967 + ... + 809694.

Almost surely, 2^8628857604 is an apocalyptic number.

It is an amenable number.

8628857604 is an abundant number, since it is smaller than the sum of its proper divisors (13329378696).

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

8628857604 is a wasteful number, since it uses less digits than its factorization.

8628857604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608820 (or 1608815 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 8628857604 is about 92891.6444251042. The cubic root of 8628857604 is about 2051.0886626067.

It can be divided in two parts, 862885 and 7604, that added together give a square (870489 = 933²).

The spelling of 8628857604 in words is "eight billion, six hundred twenty-eight million, eight hundred fifty-seven thousand, six hundred four".