85812318 has 32 divisors (see below), whose sum is σ = 194757120. Its totient is φ = 27994680.

The previous prime is 85812317. The next prime is 85812323. The reversal of 85812318 is 81321858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85812317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14368 + ... + 19443.

It is an arithmetic number, because the mean of its divisors is an integer number (6086160).

Almost surely, 2^85812318 is an apocalyptic number.

85812318 is an abundant number, since it is smaller than the sum of its proper divisors (108944802).

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

85812318 is a wasteful number, since it uses less digits than its factorization.

85812318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33869 (or 33863 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 85812318 is about 9263.4938333223. The cubic root of 85812318 is about 441.0791657591.

The spelling of 85812318 in words is "eighty-five million, eight hundred twelve thousand, three hundred eighteen".