79976766 has 8 divisors (see below), whose sum is σ = 159953544. Its totient is φ = 26658920.

The previous prime is 79976737. The next prime is 79976779. The reversal of 79976766 is 66767997.

It is a sphenic number, since it is the product of 3 distinct primes.

79976766 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 6664725 + ... + 6664736.

It is an arithmetic number, because the mean of its divisors is an integer number (19994193).

Almost surely, 2^79976766 is an apocalyptic number.

79976766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79976766 is a wasteful number, since it uses less digits than its factorization.

79976766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13329466.

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

The square root of 79976766 is about 8942.9729955983. The cubic root of 79976766 is about 430.8452205212.

The spelling of 79976766 in words is "seventy-nine million, nine hundred seventy-six thousand, seven hundred sixty-six".