79326224672 has 18 divisors (see below), whose sum is σ = 156176641593. Its totient is φ = 39662315712.

The previous prime is 79326224671. The next prime is 79326224699. The reversal of 79326224672 is 27642262397.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 71547690256 + 7778534416 = 267484^2 + 88196^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=199156.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79326224672.

It is not an unprimeable number, because it can be changed into a prime (79326224671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1568354 + ... + 1618142.

Almost surely, 2^79326224672 is an apocalyptic number.

It is an amenable number.

79326224672 is a deficient number, since it is larger than the sum of its proper divisors (76850416921).

79326224672 is an frugal number, since it uses more digits than its factorization.

79326224672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99588 (or 49791 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

Multiplying 79326224672 by its sum of digits (50), we get a square (3966311233600 = 1991560²).

The spelling of 79326224672 in words is "seventy-nine billion, three hundred twenty-six million, two hundred twenty-four thousand, six hundred seventy-two".