85596831 has 20 divisors (see below), whose sum is σ = 128162232. Its totient is φ = 56932848.

The previous prime is 85596829. The next prime is 85596877. The reversal of 85596831 is 13869558.

85596831 is a `hidden beast` number, since 8 + 559 + 68 + 31 = 666.

It is not a de Polignac number, because 85596831 - 2¹ = 85596829 is a prime.

It is a super-2 number, since 2×85596831² = 14653634954485122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85596131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44665 + ... + 46541.

Almost surely, 2^85596831 is an apocalyptic number.

85596831 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85596831 is a deficient number, since it is larger than the sum of its proper divisors (42565401).

85596831 is a wasteful number, since it uses less digits than its factorization.

85596831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2443 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 85596831 is about 9251.8555436193. The cubic root of 85596831 is about 440.7096520020.

The spelling of 85596831 in words is "eighty-five million, five hundred ninety-six thousand, eight hundred thirty-one".