76198792972864 has 21 divisors (see below), whose sum is σ = 151207118381577. Its totient is φ = 38099361569664.

The previous prime is 76198792972829. The next prime is 76198792972867. The reversal of 76198792972864 is 46827929789167.

The square root of 76198792972864 is 8729192.

It is a perfect power (a square), and thus also a powerful number.

76198792972864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50569279219264 + 25629513753600 = 7111208^2 + 5062560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76198792972867) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 69287962 + ... + 70379110.

Almost surely, 2^{76198792972864} is an apocalyptic number.

76198792972864 is the 8729192-nd square number.

It is an amenable number.

76198792972864 is a deficient number, since it is larger than the sum of its proper divisors (75008325408713).

76198792972864 is an frugal number, since it uses more digits than its factorization.

76198792972864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182310 (or 1091151 counting only the distinct ones).

The product of its digits is 9217732608, while the sum is 85.

The spelling of 76198792972864 in words is "seventy-six trillion, one hundred ninety-eight billion, seven hundred ninety-two million, nine hundred seventy-two thousand, eight hundred sixty-four".