7990922619684 has 27 divisors (see below), whose sum is σ = 20199319495537. Its totient is φ = 2663635219584.

The previous prime is 7990922619677. The next prime is 7990922619697. The reversal of 7990922619684 is 4869162290997.

The square root of 7990922619684 is 2826822.

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

It can be written as a sum of positive squares in only one way, i.e., 7059064472100 + 931858147584 = 2656890^2 + 965328^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 16725364 + ... + 17196500.

Almost surely, 2^{7990922619684} is an apocalyptic number.

7990922619684 is the 2826822-nd square number.

It is an amenable number.

7990922619684 is an abundant number, since it is smaller than the sum of its proper divisors (12208396875853).

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

7990922619684 is an frugal number, since it uses more digits than its factorization.

7990922619684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942284 (or 471142 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 7990922619684 in words is "seven trillion, nine hundred ninety billion, nine hundred twenty-two million, six hundred nineteen thousand, six hundred eighty-four".