79829474697 has 24 divisors (see below), whose sum is σ = 137574607200. Its totient is φ = 45616841928.

The previous prime is 79829474687. The next prime is 79829474717. The reversal of 79829474697 is 79647492897.

79829474697 is a `hidden beast` number, since 7 + 98 + 2 + 9 + 474 + 69 + 7 = 666.

It is not a de Polignac number, because 79829474697 - 2²³ = 79821086089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79829474657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30168547 + ... + 30171192.

It is an arithmetic number, because the mean of its divisors is an integer number (5732275300).

Almost surely, 2^79829474697 is an apocalyptic number.

It is an amenable number.

79829474697 is a deficient number, since it is larger than the sum of its proper divisors (57745132503).

79829474697 is a wasteful number, since it uses less digits than its factorization.

79829474697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60339762 (or 60339749 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 72.

The spelling of 79829474697 in words is "seventy-nine billion, eight hundred twenty-nine million, four hundred seventy-four thousand, six hundred ninety-seven".