869470231 has 16 divisors (see below), whose sum is σ = 1024708608. Its totient is φ = 722232000.

The previous prime is 869470213. The next prime is 869470297. The reversal of 869470231 is 132074968.

It is not a de Polignac number, because 869470231 - 2¹³ = 869462039 is a prime.

It is a super-2 number, since 2×869470231² = 1511956965190386722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869470201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33306 + ... + 53368.

It is an arithmetic number, because the mean of its divisors is an integer number (64044288).

Almost surely, 2^869470231 is an apocalyptic number.

869470231 is a deficient number, since it is larger than the sum of its proper divisors (155238377).

869470231 is a wasteful number, since it uses less digits than its factorization.

869470231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 869470231 is about 29486.7806143702. The cubic root of 869470231 is about 954.4464619285.

The spelling of 869470231 in words is "eight hundred sixty-nine million, four hundred seventy thousand, two hundred thirty-one".