85697132 has 12 divisors (see below), whose sum is σ = 150505656. Its totient is φ = 42695520.

The previous prime is 85697063. The next prime is 85697141. The reversal of 85697132 is 23179658.

It is a self number, because there is not a number n which added to its sum of digits gives 85697132.

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, 36998 + ... + 39245.

It is an arithmetic number, because the mean of its divisors is an integer number (12542138).

Almost surely, 2^85697132 is an apocalyptic number.

It is an amenable number.

85697132 is a deficient number, since it is larger than the sum of its proper divisors (64808524).

85697132 is a wasteful number, since it uses less digits than its factorization.

85697132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76528 (or 76526 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 85697132 is about 9257.2745449187. The cubic root of 85697132 is about 440.8817236539.

The spelling of 85697132 in words is "eighty-five million, six hundred ninety-seven thousand, one hundred thirty-two".