7959205980 has 144 divisors (see below), whose sum is σ = 27187550208. Its totient is φ = 1867248000.

The previous prime is 7959205931. The next prime is 7959205993. The reversal of 7959205980 is 895029597.

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 47 ways as a sum of consecutive naturals, for example, 3456 + ... + 126215.

It is an arithmetic number, because the mean of its divisors is an integer number (188802432).

Almost surely, 2^7959205980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7959205980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13593775104).

7959205980 is an abundant number, since it is smaller than the sum of its proper divisors (19228344228).

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

7959205980 is a wasteful number, since it uses less digits than its factorization.

7959205980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129728 (or 129723 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The square root of 7959205980 is about 89214.3821365143. The cubic root of 7959205980 is about 1996.5947036022.

The spelling of 7959205980 in words is "seven billion, nine hundred fifty-nine million, two hundred five thousand, nine hundred eighty".