869080637931 has 24 divisors (see below), whose sum is σ = 1274101630032. Its totient is φ = 526546944000.

The previous prime is 869080637923. The next prime is 869080637947. The reversal of 869080637931 is 139736080968.

It is not a de Polignac number, because 869080637931 - 2³ = 869080637923 is a prime.

It is a super-2 number, since 2×869080637931² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869080637981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 757131 + ... + 1520331.

It is an arithmetic number, because the mean of its divisors is an integer number (53087567918).

Almost surely, 2^869080637931 is an apocalyptic number.

869080637931 is a deficient number, since it is larger than the sum of its proper divisors (405020992101).

869080637931 is a wasteful number, since it uses less digits than its factorization.

869080637931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766363 (or 766352 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 869080637931 in words is "eight hundred sixty-nine billion, eighty million, six hundred thirty-seven thousand, nine hundred thirty-one".