869736231 has 96 divisors (see below), whose sum is σ = 1642603200. Its totient is φ = 450696960.

The previous prime is 869736209. The next prime is 869736247. The reversal of 869736231 is 132637968.

It is not a de Polignac number, because 869736231 - 2¹¹ = 869734183 is a prime.

It is a super-2 number, since 2×869736231² = 1512882223028170722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869736271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1048725 + ... + 1049553.

It is an arithmetic number, because the mean of its divisors is an integer number (17110450).

Almost surely, 2^869736231 is an apocalyptic number.

869736231 is a deficient number, since it is larger than the sum of its proper divisors (772866969).

869736231 is a wasteful number, since it uses less digits than its factorization.

869736231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 913 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 869736231 is about 29491.2907652412. The cubic root of 869736231 is about 954.5437843607.

The spelling of 869736231 in words is "eight hundred sixty-nine million, seven hundred thirty-six thousand, two hundred thirty-one".