76977660115 has 4 divisors (see below), whose sum is σ = 92373192144. Its totient is φ = 61582128088.

The previous prime is 76977660083. The next prime is 76977660121. The reversal of 76977660115 is 51106677967.

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

It is a cyclic number.

It is not a de Polignac number, because 76977660115 - 2⁵ = 76977660083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 7697766007 + ... + 7697766016.

It is an arithmetic number, because the mean of its divisors is an integer number (23093298036).

Almost surely, 2^76977660115 is an apocalyptic number.

76977660115 is a deficient number, since it is larger than the sum of its proper divisors (15395532029).

76977660115 is a wasteful number, since it uses less digits than its factorization.

76977660115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15395532028.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 76977660115 in words is "seventy-six billion, nine hundred seventy-seven million, six hundred sixty thousand, one hundred fifteen".