79713967 has 2 divisors, whose sum is σ = 79713968. Its totient is φ = 79713966.

The previous prime is 79713919. The next prime is 79714031. The reversal of 79713967 is 76931797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79713967 - 2⁷ = 79713839 is a prime.

It is a super-3 number, since 3×79713967³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79713967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79713167) 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 as a sum of consecutive naturals, namely, 39856983 + 39856984.

It is an arithmetic number, because the mean of its divisors is an integer number (39856984).

Almost surely, 2^79713967 is an apocalyptic number.

79713967 is a deficient number, since it is larger than the sum of its proper divisors (1).

79713967 is an equidigital number, since it uses as much as digits as its factorization.

79713967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 500094, while the sum is 49.

The square root of 79713967 is about 8928.2678611251. The cubic root of 79713967 is about 430.3727919091.

The spelling of 79713967 in words is "seventy-nine million, seven hundred thirteen thousand, nine hundred sixty-seven".