76505278964 has 24 divisors (see below), whose sum is σ = 135429537600. Its totient is φ = 37811385920.

The previous prime is 76505278907. The next prime is 76505279029. The reversal of 76505278964 is 46987250567.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212017 + ... + 1273575.

It is an arithmetic number, because the mean of its divisors is an integer number (5642897400).

Almost surely, 2^76505278964 is an apocalyptic number.

It is an amenable number.

76505278964 is a deficient number, since it is larger than the sum of its proper divisors (58924258636).

76505278964 is a wasteful number, since it uses less digits than its factorization.

76505278964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65143 (or 65141 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 76505278964 in words is "seventy-six billion, five hundred five million, two hundred seventy-eight thousand, nine hundred sixty-four".