85711604 has 12 divisors (see below), whose sum is σ = 163631328. Its totient is φ = 38959800.

The previous prime is 85711589. The next prime is 85711651. The reversal of 85711604 is 40611758.

It is a happy number.

It is a congruent number.

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, 973952 + ... + 974039.

It is an arithmetic number, because the mean of its divisors is an integer number (13635944).

Almost surely, 2^85711604 is an apocalyptic number.

It is an amenable number.

85711604 is a deficient number, since it is larger than the sum of its proper divisors (77919724).

85711604 is a wasteful number, since it uses less digits than its factorization.

85711604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948006 (or 1948004 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 85711604 is about 9258.0561674684. The cubic root of 85711604 is about 440.9065400471.

The spelling of 85711604 in words is "eighty-five million, seven hundred eleven thousand, six hundred four".