7961192080 has 20 divisors (see below), whose sum is σ = 18509771772. Its totient is φ = 3184476800.

The previous prime is 7961192069. The next prime is 7961192087. The reversal of 7961192080 is 802911697.

It can be written as a sum of positive squares in 2 ways, for example, as 6249218704 + 1711973376 = 79052^2 + 41376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (7961192087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49757371 + ... + 49757530.

Almost surely, 2^7961192080 is an apocalyptic number.

It is an amenable number.

7961192080 is an abundant number, since it is smaller than the sum of its proper divisors (10548579692).

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

7961192080 is a wasteful number, since it uses less digits than its factorization.

7961192080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99514914 (or 99514908 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 7961192080 is about 89225.5124950258. The cubic root of 7961192080 is about 1996.7607631714.

The spelling of 7961192080 in words is "seven billion, nine hundred sixty-one million, one hundred ninety-two thousand, eighty".