85697256 has 16 divisors (see below), whose sum is σ = 214243200. Its totient is φ = 28565744.

The previous prime is 85697231. The next prime is 85697273. The reversal of 85697256 is 65279658.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785336 + ... + 1785383.

It is an arithmetic number, because the mean of its divisors is an integer number (13390200).

Almost surely, 2^85697256 is an apocalyptic number.

It is an amenable number.

85697256 is an abundant number, since it is smaller than the sum of its proper divisors (128545944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85697256 is a wasteful number, since it uses less digits than its factorization.

85697256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570728 (or 3570724 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 85697256 is about 9257.2812423519. The cubic root of 85697256 is about 440.8819362993.

The spelling of 85697256 in words is "eighty-five million, six hundred ninety-seven thousand, two hundred fifty-six".