79667967 has 16 divisors (see below), whose sum is σ = 112694112. Its totient is φ = 49889280.

The previous prime is 79667963. The next prime is 79667981. The reversal of 79667967 is 76976697.

It is not a de Polignac number, because 79667967 - 2² = 79667963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79667963) 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 15 ways as a sum of consecutive naturals, for example, 31473 + ... + 33909.

It is an arithmetic number, because the mean of its divisors is an integer number (7043382).

Almost surely, 2^79667967 is an apocalyptic number.

79667967 is a deficient number, since it is larger than the sum of its proper divisors (33026145).

79667967 is a wasteful number, since it uses less digits than its factorization.

79667967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 6001128, while the sum is 57.

The square root of 79667967 is about 8925.6914017907. The cubic root of 79667967 is about 430.2899918743.

The spelling of 79667967 in words is "seventy-nine million, six hundred sixty-seven thousand, nine hundred sixty-seven".