7951976980 has 24 divisors (see below), whose sum is σ = 16861283712. Its totient is φ = 3149908512.

The previous prime is 7951976951. The next prime is 7951976983. The reversal of 7951976980 is 896791597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7951976983) 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 7 ways as a sum of consecutive naturals, for example, 1928032 + ... + 1932151.

It is an arithmetic number, because the mean of its divisors is an integer number (702553488).

Almost surely, 2^7951976980 is an apocalyptic number.

It is an amenable number.

7951976980 is an abundant number, since it is smaller than the sum of its proper divisors (8909306732).

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

7951976980 is a wasteful number, since it uses less digits than its factorization.

7951976980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860295 (or 3860293 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 61.

The square root of 7951976980 is about 89173.8581648232. The cubic root of 7951976980 is about 1995.9900471791.

The spelling of 7951976980 in words is "seven billion, nine hundred fifty-one million, nine hundred seventy-six thousand, nine hundred eighty".