99880925000 has 96 divisors (see below), whose sum is σ = 234412496640. Its totient is φ = 39895800000.

The previous prime is 99880924967. The next prime is 99880925009. The reversal of 99880925000 is 52908899.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 99880925000.

It is not an unprimeable number, because it can be changed into a prime (99880925009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20672585 + ... + 20677415.

It is an arithmetic number, because the mean of its divisors is an integer number (2441796840).

Almost surely, 2^99880925000 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 99880925000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117206248320).

99880925000 is an abundant number, since it is smaller than the sum of its proper divisors (134531571640).

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

99880925000 is an equidigital number, since it uses as much as digits as its factorization.

99880925000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 99880925000 in words is "ninety-nine billion, eight hundred eighty million, nine hundred twenty-five thousand".