76581681324 has 12 divisors (see below), whose sum is σ = 178690589784. Its totient is φ = 25527227104.

The previous prime is 76581681313. The next prime is 76581681343. The reversal of 76581681324 is 42318618567.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190903377 + ... + 3190903400.

It is an arithmetic number, because the mean of its divisors is an integer number (14890882482).

Almost surely, 2^76581681324 is an apocalyptic number.

It is an amenable number.

76581681324 is an abundant number, since it is smaller than the sum of its proper divisors (102108908460).

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

76581681324 is a wasteful number, since it uses less digits than its factorization.

76581681324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381806784 (or 6381806782 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 76581681324 in words is "seventy-six billion, five hundred eighty-one million, six hundred eighty-one thousand, three hundred twenty-four".