7992731888164 has 9 divisors (see below), whose sum is σ = 13987290699291. Its totient is φ = 3996363116940.

The previous prime is 7992731888081. The next prime is 7992731888191. The reversal of 7992731888164 is 4618881372997.

The square root of 7992731888164 is 2827142.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4947499 + ... + 6361069.

Almost surely, 2^{7992731888164} is an apocalyptic number.

7992731888164 is the 2827142-nd square number.

It is an amenable number.

7992731888164 is a deficient number, since it is larger than the sum of its proper divisors (5994558811127).

7992731888164 is an frugal number, since it uses more digits than its factorization.

7992731888164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827146 (or 1413573 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 73.

The spelling of 7992731888164 in words is "seven trillion, nine hundred ninety-two billion, seven hundred thirty-one million, eight hundred eighty-eight thousand, one hundred sixty-four".