9129980800 has 96 divisors (see below), whose sum is σ = 22672298880. Its totient is φ = 3632824320.

The previous prime is 9129980789. The next prime is 9129980879. The reversal of 9129980800 is 80899219.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610209 + ... + 624991.

It is an arithmetic number, because the mean of its divisors is an integer number (236169780).

Almost surely, 2^9129980800 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 9129980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11336149440).

9129980800 is an abundant number, since it is smaller than the sum of its proper divisors (13542318080).

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

9129980800 is a wasteful number, since it uses less digits than its factorization.

9129980800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000 (or 14983 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 9129980800 is about 95550.9330148063. The cubic root of 9129980800 is about 2090.0497382148.

The spelling of 9129980800 in words is "nine billion, one hundred twenty-nine million, nine hundred eighty thousand, eight hundred".