7998980976 has 60 divisors (see below), whose sum is σ = 25584045552. Its totient is φ = 2285422848.

The previous prime is 7998980971. The next prime is 7998980987. The reversal of 7998980976 is 6790898997.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998980971) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3966741 + ... + 3968756.

Almost surely, 2^7998980976 is an apocalyptic number.

It is an amenable number.

7998980976 is an abundant number, since it is smaller than the sum of its proper divisors (17585064576).

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

7998980976 is a wasteful number, since it uses less digits than its factorization.

7998980976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935518 (or 7935509 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 72.

The square root of 7998980976 is about 89437.0224012405. The cubic root of 7998980976 is about 1999.9150777275.

The spelling of 7998980976 in words is "seven billion, nine hundred ninety-eight million, nine hundred eighty thousand, nine hundred seventy-six".