8256572364 has 48 divisors (see below), whose sum is σ = 20110325760. Its totient is φ = 2633473920.

The previous prime is 8256572353. The next prime is 8256572377. The reversal of 8256572364 is 4632756528.

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, 91584 + ... + 157799.

It is an arithmetic number, because the mean of its divisors is an integer number (418965120).

Almost surely, 2^8256572364 is an apocalyptic number.

It is an amenable number.

8256572364 is an abundant number, since it is smaller than the sum of its proper divisors (11853753396).

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

8256572364 is a wasteful number, since it uses less digits than its factorization.

8256572364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249510 (or 249508 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The square root of 8256572364 is about 90865.6830932338. The cubic root of 8256572364 is about 2021.1564436526.

The spelling of 8256572364 in words is "eight billion, two hundred fifty-six million, five hundred seventy-two thousand, three hundred sixty-four".