85618718 has 16 divisors (see below), whose sum is σ = 130394880. Its totient is φ = 42159000.

The previous prime is 85618717. The next prime is 85618727. The reversal of 85618718 is 81781658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85618711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35243 + ... + 37593.

It is an arithmetic number, because the mean of its divisors is an integer number (8149680).

Almost surely, 2^85618718 is an apocalyptic number.

85618718 is a deficient number, since it is larger than the sum of its proper divisors (44776162).

85618718 is a wasteful number, since it uses less digits than its factorization.

85618718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its digits is 107520, while the sum is 44.

The square root of 85618718 is about 9253.0383118195. The cubic root of 85618718 is about 440.7472117652.

The spelling of 85618718 in words is "eighty-five million, six hundred eighteen thousand, seven hundred eighteen".