79397707267 has 4 divisors (see below), whose sum is σ = 82849781520. Its totient is φ = 75945633016.

The previous prime is 79397707261. The next prime is 79397707283. The reversal of 79397707267 is 76270779397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76270779397 = 251 ⋅303867647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79397707267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79397707199 and 79397707208.

It is not an unprimeable number, because it can be changed into a prime (79397707261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726037092 + ... + 1726037137.

It is an arithmetic number, because the mean of its divisors is an integer number (20712445380).

Almost surely, 2^79397707267 is an apocalyptic number.

79397707267 is a deficient number, since it is larger than the sum of its proper divisors (3452074253).

79397707267 is a wasteful number, since it uses less digits than its factorization.

79397707267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452074252.

The product of its (nonzero) digits is 49009212, while the sum is 64.

The spelling of 79397707267 in words is "seventy-nine billion, three hundred ninety-seven million, seven hundred seven thousand, two hundred sixty-seven".