8564322504 has 128 divisors (see below), whose sum is σ = 23645030400. Its totient is φ = 2572922880.

The previous prime is 8564322493. The next prime is 8564322541. The reversal of 8564322504 is 4052234658.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022069 + ... + 2026299.

It is an arithmetic number, because the mean of its divisors is an integer number (184726800).

Almost surely, 2^8564322504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8564322504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11822515200).

8564322504 is an abundant number, since it is smaller than the sum of its proper divisors (15080707896).

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

8564322504 is a wasteful number, since it uses less digits than its factorization.

8564322504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 8564322504 is about 92543.6248695716. The cubic root of 8564322504 is about 2045.9625077576.

The spelling of 8564322504 in words is "eight billion, five hundred sixty-four million, three hundred twenty-two thousand, five hundred four".