85679097961818 has 16 divisors (see below), whose sum is σ = 172228034484000. Its totient is φ = 28414726227216.

The previous prime is 85679097961801. The next prime is 85679097961907. The reversal of 85679097961818 is 81816979097658.

It is a happy 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, 36243272068 + ... + 36243274431.

It is an arithmetic number, because the mean of its divisors is an integer number (10764252155250).

Almost surely, 2^{85679097961818} is an apocalyptic number.

85679097961818 is an abundant number, since it is smaller than the sum of its proper divisors (86548936522182).

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

85679097961818 is a wasteful number, since it uses less digits than its factorization.

85679097961818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72486546701.

The product of its (nonzero) digits is 3292047360, while the sum is 84.

The spelling of 85679097961818 in words is "eighty-five trillion, six hundred seventy-nine billion, ninety-seven million, nine hundred sixty-one thousand, eight hundred eighteen".