85692231 has 12 divisors (see below), whose sum is σ = 123860152. Its totient is φ = 57090096.

The previous prime is 85692199. The next prime is 85692239. The reversal of 85692231 is 13229658.

It is not a de Polignac number, because 85692231 - 2⁵ = 85692199 is a prime.

It is a super-2 number, since 2×85692231² = 14686316907514722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85692239) 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, 19980 + ... + 23886.

Almost surely, 2^85692231 is an apocalyptic number.

85692231 is a deficient number, since it is larger than the sum of its proper divisors (38167921).

85692231 is a wasteful number, since it uses less digits than its factorization.

85692231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350 (or 6347 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 85692231 is about 9257.0098303934. The cubic root of 85692231 is about 440.8733188510.

The spelling of 85692231 in words is "eighty-five million, six hundred ninety-two thousand, two hundred thirty-one".