76715799648 has 48 divisors (see below), whose sum is σ = 201396658176. Its totient is φ = 25569687680.

The previous prime is 76715799631. The next prime is 76715799659. The reversal of 76715799648 is 84699751767.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1345153 + ... + 1401023.

It is an arithmetic number, because the mean of its divisors is an integer number (4195763712).

Almost surely, 2^76715799648 is an apocalyptic number.

It is an amenable number.

76715799648 is an abundant number, since it is smaller than the sum of its proper divisors (124680858528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76715799648 is a wasteful number, since it uses less digits than its factorization.

76715799648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187 (or 70179 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 69.

The spelling of 76715799648 in words is "seventy-six billion, seven hundred fifteen million, seven hundred ninety-nine thousand, six hundred forty-eight".