79832871684 has 18 divisors (see below), whose sum is σ = 201799759070. Its totient is φ = 26610957216.

The previous prime is 79832871649. The next prime is 79832871721. The reversal of 79832871684 is 48617823897.

It can be written as a sum of positive squares in only one way, i.e., 74660097600 + 5172774084 = 273240^2 + 71922^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1108789849 + ... + 1108789920.

Almost surely, 2^79832871684 is an apocalyptic number.

It is an amenable number.

79832871684 is an abundant number, since it is smaller than the sum of its proper divisors (121966887386).

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

79832871684 is a wasteful number, since it uses less digits than its factorization.

79832871684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217579779 (or 2217579774 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 79832871684 in words is "seventy-nine billion, eight hundred thirty-two million, eight hundred seventy-one thousand, six hundred eighty-four".