869295564 has 72 divisors (see below), whose sum is σ = 2296502208. Its totient is φ = 287511120.

The previous prime is 869295541. The next prime is 869295593. The reversal of 869295564 is 465592968.

It is a happy number.

869295564 is a `hidden beast` number, since 8 + 69 + 29 + 556 + 4 = 666.

869295564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 869295564.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123919 + ... + 130745.

It is an arithmetic number, because the mean of its divisors is an integer number (31895864).

Almost surely, 2^869295564 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 869295564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148251104).

869295564 is an abundant number, since it is smaller than the sum of its proper divisors (1427206644).

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

869295564 is a wasteful number, since it uses less digits than its factorization.

869295564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6963 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 869295564 is about 29483.8186807611. The cubic root of 869295564 is about 954.3825450517.

The spelling of 869295564 in words is "eight hundred sixty-nine million, two hundred ninety-five thousand, five hundred sixty-four".