85788668 has 24 divisors (see below), whose sum is σ = 173157600. Its totient is φ = 36427968.

The previous prime is 85788653. The next prime is 85788671. The reversal of 85788668 is 86688758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (7214900).

Almost surely, 2^85788668 is an apocalyptic number.

It is an amenable number.

85788668 is an abundant number, since it is smaller than the sum of its proper divisors (87368932).

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

85788668 is a wasteful number, since it uses less digits than its factorization.

85788668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28229 (or 28227 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The square root of 85788668 is about 9262.2172291520. The cubic root of 85788668 is about 441.0386413489.

The spelling of 85788668 in words is "eighty-five million, seven hundred eighty-eight thousand, six hundred sixty-eight".