76320518056 has 8 divisors (see below), whose sum is σ = 143100971370. Its totient is φ = 38160259024.

The previous prime is 76320517967. The next prime is 76320518083. The reversal of 76320518056 is 65081502367.

It can be written as a sum of positive squares in only one way, i.e., 66486622500 + 9833895556 = 257850^2 + 99166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×76320518056³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770032371 + ... + 4770032386.

Almost surely, 2^76320518056 is an apocalyptic number.

It is an amenable number.

76320518056 is a deficient number, since it is larger than the sum of its proper divisors (66780453314).

76320518056 is a wasteful number, since it uses less digits than its factorization.

76320518056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540064763 (or 9540064759 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 76320518056 in words is "seventy-six billion, three hundred twenty million, five hundred eighteen thousand, fifty-six".