76887077768 has 16 divisors (see below), whose sum is σ = 147515905680. Its totient is φ = 37549502928.

The previous prime is 76887077767. The next prime is 76887077803. The reversal of 76887077768 is 86777078867.

It is not an unprimeable number, because it can be changed into a prime (76887077767) 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, 111754130 + ... + 111754817.

It is an arithmetic number, because the mean of its divisors is an integer number (9219744105).

Almost surely, 2^76887077768 is an apocalyptic number.

It is an amenable number.

76887077768 is a deficient number, since it is larger than the sum of its proper divisors (70628827912).

76887077768 is a wasteful number, since it uses less digits than its factorization.

76887077768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223508996 (or 223508992 counting only the distinct ones).

The product of its (nonzero) digits is 309786624, while the sum is 71.

The spelling of 76887077768 in words is "seventy-six billion, eight hundred eighty-seven million, seventy-seven thousand, seven hundred sixty-eight".