85318792 has 32 divisors (see below), whose sum is σ = 172894680. Its totient is φ = 39237120.

The previous prime is 85318787. The next prime is 85318813. The reversal of 85318792 is 29781358.

It can be written as a sum of positive squares in 4 ways, for example, as 44435556 + 40883236 = 6666^2 + 6394^2 .

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, 31242 + ... + 33862.

Almost surely, 2^85318792 is an apocalyptic number.

It is an amenable number.

85318792 is an abundant number, since it is smaller than the sum of its proper divisors (87575888).

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

85318792 is a wasteful number, since it uses less digits than its factorization.

85318792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2949 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 85318792 is about 9236.8172007462. The cubic root of 85318792 is about 440.2319575858.

The spelling of 85318792 in words is "eighty-five million, three hundred eighteen thousand, seven hundred ninety-two".