85589031 has 8 divisors (see below), whose sum is σ = 124493184. Its totient is φ = 51872120.

The previous prime is 85588991. The next prime is 85589051. The reversal of 85589031 is 13098558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85589031 - 2⁹ = 85588519 is a prime.

It is a super-2 number, since 2×85589031² = 14650964455037922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85589051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296771 + ... + 1296836.

It is an arithmetic number, because the mean of its divisors is an integer number (15561648).

Almost surely, 2^85589031 is an apocalyptic number.

85589031 is a deficient number, since it is larger than the sum of its proper divisors (38904153).

85589031 is a wasteful number, since it uses less digits than its factorization.

85589031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593621.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 85589031 is about 9251.4339969542. The cubic root of 85589031 is about 440.6962650589.

The spelling of 85589031 in words is "eighty-five million, five hundred eighty-nine thousand, thirty-one".