85860679902 has 32 divisors (see below), whose sum is σ = 173467806720. Its totient is φ = 28329406560.

The previous prime is 85860679837. The next prime is 85860679903. The reversal of 85860679902 is 20997606858.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85860679903) 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, 1371627 + ... + 1432857.

It is an arithmetic number, because the mean of its divisors is an integer number (5420868960).

Almost surely, 2^85860679902 is an apocalyptic number.

85860679902 is an abundant number, since it is smaller than the sum of its proper divisors (87607126818).

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

85860679902 is a wasteful number, since it uses less digits than its factorization.

85860679902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63608.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 85860679902 in words is "eighty-five billion, eight hundred sixty million, six hundred seventy-nine thousand, nine hundred two".