869137227 has 12 divisors (see below), whose sum is σ = 1434766320. Its totient is φ = 496649808.

The previous prime is 869137187. The next prime is 869137231. The reversal of 869137227 is 722731968.

It is not a de Polignac number, because 869137227 - 2¹⁴ = 869120843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869133227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6897852 + ... + 6897977.

It is an arithmetic number, because the mean of its divisors is an integer number (119563860).

Almost surely, 2^869137227 is an apocalyptic number.

869137227 is a deficient number, since it is larger than the sum of its proper divisors (565629093).

869137227 is a wasteful number, since it uses less digits than its factorization.

869137227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795842 (or 13795839 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 869137227 is about 29481.1334076558. The cubic root of 869137227 is about 954.3245965046.

The spelling of 869137227 in words is "eight hundred sixty-nine million, one hundred thirty-seven thousand, two hundred twenty-seven".