8520525768 has 32 divisors (see below), whose sum is σ = 21419012160. Its totient is φ = 2824482240.

The previous prime is 8520525733. The next prime is 8520525781. The reversal of 8520525768 is 8675250258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976380 + ... + 985067.

It is an arithmetic number, because the mean of its divisors is an integer number (669344130).

Almost surely, 2^8520525768 is an apocalyptic number.

It is an amenable number.

8520525768 is an abundant number, since it is smaller than the sum of its proper divisors (12898486392).

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

8520525768 is a wasteful number, since it uses less digits than its factorization.

8520525768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961637 (or 1961633 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 8520525768 is about 92306.6940584484. The cubic root of 8520525768 is about 2042.4689580079.

The spelling of 8520525768 in words is "eight billion, five hundred twenty million, five hundred twenty-five thousand, seven hundred sixty-eight".