85688588 has 12 divisors (see below), whose sum is σ = 154792512. Its totient is φ = 41462160.

The previous prime is 85688579. The next prime is 85688597. The reversal of 85688588 is 88588658.

It is an interprime number because it is at equal distance from previous prime (85688579) and next prime (85688597).

It is a super-2 number, since 2×85688588² = 14685068226867488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345395 + ... + 345642.

It is an arithmetic number, because the mean of its divisors is an integer number (12899376).

Almost surely, 2^85688588 is an apocalyptic number.

It is an amenable number.

85688588 is a deficient number, since it is larger than the sum of its proper divisors (69103924).

85688588 is a wasteful number, since it uses less digits than its factorization.

85688588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691072 (or 691070 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 56.

The square root of 85688588 is about 9256.8130584991. The cubic root of 85688588 is about 440.8670712046.

The spelling of 85688588 in words is "eighty-five million, six hundred eighty-eight thousand, five hundred eighty-eight".