85318668 has 36 divisors (see below), whose sum is σ = 217253400. Its totient is φ = 28230336.

The previous prime is 85318643. The next prime is 85318669. The reversal of 85318668 is 86681358.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (85318669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3718 + ... + 13581.

Almost surely, 2^85318668 is an apocalyptic number.

It is an amenable number.

85318668 is an abundant number, since it is smaller than the sum of its proper divisors (131934732).

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

85318668 is a wasteful number, since it uses less digits than its factorization.

85318668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17446 (or 17441 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 85318668 is about 9236.8104884749. The cubic root of 85318668 is about 440.2317443120.

The spelling of 85318668 in words is "eighty-five million, three hundred eighteen thousand, six hundred sixty-eight".