76966204979 has 4 divisors (see below), whose sum is σ = 76994851584. Its totient is φ = 76937558376.

The previous prime is 76966204919. The next prime is 76966204981. The reversal of 76966204979 is 97940266967.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76966204979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76966204919) 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, 14319272 + ... + 14324645.

It is an arithmetic number, because the mean of its divisors is an integer number (19248712896).

Almost surely, 2^76966204979 is an apocalyptic number.

76966204979 is a deficient number, since it is larger than the sum of its proper divisors (28646605).

76966204979 is a wasteful number, since it uses less digits than its factorization.

76966204979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28646604.

The product of its (nonzero) digits is 61725888, while the sum is 65.

The spelling of 76966204979 in words is "seventy-six billion, nine hundred sixty-six million, two hundred four thousand, nine hundred seventy-nine".