869496656 has 40 divisors (see below), whose sum is σ = 1938102144. Its totient is φ = 370166400.

The previous prime is 869496643. The next prime is 869496697. The reversal of 869496656 is 656694968.

It is a junction number, because it is equal to n+sod(n) for n = 869496595 and 869496604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795 + ... + 42618.

Almost surely, 2^869496656 is an apocalyptic number.

It is an amenable number.

869496656 is an abundant number, since it is smaller than the sum of its proper divisors (1068605488).

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

869496656 is a wasteful number, since it uses less digits than its factorization.

869496656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51579 (or 51573 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The square root of 869496656 is about 29487.2286931139. The cubic root of 869496656 is about 954.4561310317.

The spelling of 869496656 in words is "eight hundred sixty-nine million, four hundred ninety-six thousand, six hundred fifty-six".