7992800080 has 20 divisors (see below), whose sum is σ = 18583260372. Its totient is φ = 3197120000.

The previous prime is 7992800077. The next prime is 7992800099. The reversal of 7992800080 is 800082997.

It can be written as a sum of positive squares in 2 ways, for example, as 3558838336 + 4433961744 = 59656^2 + 66588^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49954921 + ... + 49955080.

Almost surely, 2^7992800080 is an apocalyptic number.

It is an amenable number.

7992800080 is an abundant number, since it is smaller than the sum of its proper divisors (10590460292).

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

7992800080 is a wasteful number, since it uses less digits than its factorization.

7992800080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99910014 (or 99910008 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 7992800080 is about 89402.4612636587. The cubic root of 7992800080 is about 1999.3998265806.

The spelling of 7992800080 in words is "seven billion, nine hundred ninety-two million, eight hundred thousand, eighty".