85816018 has 8 divisors (see below), whose sum is σ = 129576960. Its totient is φ = 42623700.

The previous prime is 85816007. The next prime is 85816117. The reversal of 85816018 is 81061858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141778 + ... + 142381.

It is an arithmetic number, because the mean of its divisors is an integer number (16197120).

Almost surely, 2^85816018 is an apocalyptic number.

85816018 is a deficient number, since it is larger than the sum of its proper divisors (43760942).

85816018 is a wasteful number, since it uses less digits than its factorization.

85816018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284312.

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 85816018 is about 9263.6935398360. The cubic root of 85816018 is about 441.0855050567.

The spelling of 85816018 in words is "eighty-five million, eight hundred sixteen thousand, eighteen".