7993923820 has 48 divisors (see below), whose sum is σ = 16890249600. Its totient is φ = 3178004480.

The previous prime is 7993923809. The next prime is 7993923871. The reversal of 7993923820 is 283293997.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3062676 + ... + 3065284.

It is an arithmetic number, because the mean of its divisors is an integer number (351880200).

Almost surely, 2^7993923820 is an apocalyptic number.

It is an amenable number.

7993923820 is an abundant number, since it is smaller than the sum of its proper divisors (8896325780).

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

7993923820 is a wasteful number, since it uses less digits than its factorization.

7993923820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 7993923820 is about 89408.7457690801. The cubic root of 7993923820 is about 1999.4935234182.

The spelling of 7993923820 in words is "seven billion, nine hundred ninety-three million, nine hundred twenty-three thousand, eight hundred twenty".