85617570318 has 16 divisors (see below), whose sum is σ = 195697303680. Its totient is φ = 24462162936.

The previous prime is 85617570293. The next prime is 85617570323. The reversal of 85617570318 is 81307571658.

It is a super-2 number, since 2×85617570318² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1019256748 + ... + 1019256831.

It is an arithmetic number, because the mean of its divisors is an integer number (12231081480).

Almost surely, 2^85617570318 is an apocalyptic number.

85617570318 is an abundant number, since it is smaller than the sum of its proper divisors (110079733362).

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

85617570318 is a wasteful number, since it uses less digits than its factorization.

85617570318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038513591.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 85617570318 in words is "eighty-five billion, six hundred seventeen million, five hundred seventy thousand, three hundred eighteen".