7999982972 has 48 divisors (see below), whose sum is σ = 14561648640. Its totient is φ = 3842528832.

The previous prime is 7999982959. The next prime is 7999982983. The reversal of 7999982972 is 2792899997.

It is a junction number, because it is equal to n+sod(n) for n = 7999982896 and 7999982905.

It is a congruent number.

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, 6064529 + ... + 6065847.

It is an arithmetic number, because the mean of its divisors is an integer number (303367680).

Almost surely, 2^7999982972 is an apocalyptic number.

It is an amenable number.

7999982972 is a deficient number, since it is larger than the sum of its proper divisors (6561665668).

7999982972 is a wasteful number, since it uses less digits than its factorization.

7999982972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1848 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 71.

The square root of 7999982972 is about 89442.6239105271. The cubic root of 7999982972 is about 1999.9985809990.

The spelling of 7999982972 in words is "seven billion, nine hundred ninety-nine million, nine hundred eighty-two thousand, nine hundred seventy-two".