85059931 has 8 divisors (see below), whose sum is σ = 93385584. Its totient is φ = 76833120.

The previous prime is 85059913. The next prime is 85059943. The reversal of 85059931 is 13995058.

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 85059931 - 2⁵ = 85059899 is a prime.

It is a super-2 number, since 2×85059931² = 14470383723449522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85059991) 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, 22900 + ... + 26353.

It is an arithmetic number, because the mean of its divisors is an integer number (11673198).

Almost surely, 2^85059931 is an apocalyptic number.

85059931 is a deficient number, since it is larger than the sum of its proper divisors (8325653).

85059931 is a wasteful number, since it uses less digits than its factorization.

85059931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49421.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 85059931 is about 9222.7940994039. The cubic root of 85059931 is about 439.7862787817.

The spelling of 85059931 in words is "eighty-five million, fifty-nine thousand, nine hundred thirty-one".