76870776385 has 48 divisors (see below), whose sum is σ = 104059831680. Its totient is φ = 54441454080.

The previous prime is 76870776377. The next prime is 76870776419. The reversal of 76870776385 is 58367707867.

It is not a de Polignac number, because 76870776385 - 2³ = 76870776377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2025252 + ... + 2062858.

It is an arithmetic number, because the mean of its divisors is an integer number (2167913160).

Almost surely, 2^76870776385 is an apocalyptic number.

It is an amenable number.

76870776385 is a deficient number, since it is larger than the sum of its proper divisors (27189055295).

76870776385 is a wasteful number, since it uses less digits than its factorization.

76870776385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37738 (or 37725 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 64.

The spelling of 76870776385 in words is "seventy-six billion, eight hundred seventy million, seven hundred seventy-six thousand, three hundred eighty-five".