85293664 has 12 divisors (see below), whose sum is σ = 167921964. Its totient is φ = 42646816.

The previous prime is 85293647. The next prime is 85293701. The reversal of 85293664 is 46639258.

It is a self number, because there is not a number n which added to its sum of digits gives 85293664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332682 + ... + 1332745.

It is an arithmetic number, because the mean of its divisors is an integer number (13993497).

Almost surely, 2^85293664 is an apocalyptic number.

It is an amenable number.

85293664 is a deficient number, since it is larger than the sum of its proper divisors (82628300).

85293664 is a wasteful number, since it uses less digits than its factorization.

85293664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665437 (or 2665429 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 85293664 is about 9235.4568917840. The cubic root of 85293664 is about 440.1887344593.

The spelling of 85293664 in words is "eighty-five million, two hundred ninety-three thousand, six hundred sixty-four".