7943011980 has 24 divisors (see below), whose sum is σ = 22240433712. Its totient is φ = 2118136512.

The previous prime is 7943011961. The next prime is 7943011991. The reversal of 7943011980 is 891103497.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66191707 + ... + 66191826.

It is an arithmetic number, because the mean of its divisors is an integer number (926684738).

Almost surely, 2^7943011980 is an apocalyptic number.

It is an amenable number.

7943011980 is an abundant number, since it is smaller than the sum of its proper divisors (14297421732).

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

7943011980 is a wasteful number, since it uses less digits than its factorization.

7943011980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132383545 (or 132383543 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 7943011980 is about 89123.5770152882. The cubic root of 7943011980 is about 1995.2396769851.

The spelling of 7943011980 in words is "seven billion, nine hundred forty-three million, eleven thousand, nine hundred eighty".