79968351 has 4 divisors (see below), whose sum is σ = 106624472. Its totient is φ = 53312232.

The previous prime is 79968307. The next prime is 79968353. The reversal of 79968351 is 15386997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15386997 = 3 ⋅5128999.

It is not a de Polignac number, because 79968351 - 2²⁵ = 46413919 is a prime.

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 79968351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79968353) 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 3 ways as a sum of consecutive naturals, for example, 13328056 + ... + 13328061.

It is an arithmetic number, because the mean of its divisors is an integer number (26656118).

Almost surely, 2^79968351 is an apocalyptic number.

79968351 is a deficient number, since it is larger than the sum of its proper divisors (26656121).

79968351 is a wasteful number, since it uses less digits than its factorization.

79968351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656120.

The product of its digits is 408240, while the sum is 48.

The square root of 79968351 is about 8942.5025020964. The cubic root of 79968351 is about 430.8301090921.

The spelling of 79968351 in words is "seventy-nine million, nine hundred sixty-eight thousand, three hundred fifty-one".