86171875728 has 80 divisors (see below), whose sum is σ = 224614790400. Its totient is φ = 28466110080.

The previous prime is 86171875711. The next prime is 86171875729. The reversal of 86171875728 is 82757817168.

It is not an unprimeable number, because it can be changed into a prime (86171875729) 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, 3798403 + ... + 3821021.

It is an arithmetic number, because the mean of its divisors is an integer number (2807684880).

Almost surely, 2^86171875728 is an apocalyptic number.

It is an amenable number.

86171875728 is an abundant number, since it is smaller than the sum of its proper divisors (138442914672).

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

86171875728 is a wasteful number, since it uses less digits than its factorization.

86171875728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23340 (or 23334 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 60.

The spelling of 86171875728 in words is "eighty-six billion, one hundred seventy-one million, eight hundred seventy-five thousand, seven hundred twenty-eight".