76887701387 has 6 divisors (see below), whose sum is σ = 89440795548. Its totient is φ = 65903744004.

The previous prime is 76887701369. The next prime is 76887701389. The reversal of 76887701387 is 78310778867.

It is not a de Polignac number, because 76887701387 - 2²⁴ = 76870924171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76887701389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784568333 + ... + 784568430.

It is an arithmetic number, because the mean of its divisors is an integer number (14906799258).

Almost surely, 2^76887701387 is an apocalyptic number.

76887701387 is a deficient number, since it is larger than the sum of its proper divisors (12553094161).

76887701387 is a wasteful number, since it uses less digits than its factorization.

76887701387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569136777 (or 1569136770 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 62.

The spelling of 76887701387 in words is "seventy-six billion, eight hundred eighty-seven million, seven hundred one thousand, three hundred eighty-seven".