76577063117 has 4 divisors (see below), whose sum is σ = 80607434880. Its totient is φ = 72546691356.

The previous prime is 76577063111. The next prime is 76577063137. The reversal of 76577063117 is 71136077567.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76577063117 - 2²⁶ = 76509954253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76577063111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015185853 + ... + 2015185890.

It is an arithmetic number, because the mean of its divisors is an integer number (20151858720).

Almost surely, 2^76577063117 is an apocalyptic number.

It is an amenable number.

76577063117 is a deficient number, since it is larger than the sum of its proper divisors (4030371763).

76577063117 is a wasteful number, since it uses less digits than its factorization.

76577063117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030371762.

The product of its (nonzero) digits is 1296540, while the sum is 50.

The spelling of 76577063117 in words is "seventy-six billion, five hundred seventy-seven million, sixty-three thousand, one hundred seventeen".