9992597080 has 128 divisors (see below), whose sum is σ = 23540751360. Its totient is φ = 3814272000.

The previous prime is 9992597063. The next prime is 9992597081. The reversal of 9992597080 is 807952999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992597081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23184465 + ... + 23184895.

It is an arithmetic number, because the mean of its divisors is an integer number (183912120).

Almost surely, 2^9992597080 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 9992597080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11770375680).

9992597080 is an abundant number, since it is smaller than the sum of its proper divisors (13548154280).

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

9992597080 is a wasteful number, since it uses less digits than its factorization.

9992597080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 58.

The square root of 9992597080 is about 99962.9785470601. The cubic root of 9992597080 is about 2153.9029218672.

The spelling of 9992597080 in words is "nine billion, nine hundred ninety-two million, five hundred ninety-seven thousand, eighty".