99080000 has 70 divisors (see below), whose sum is σ = 245785386. Its totient is φ = 39616000.

The previous prime is 99079997. The next prime is 99080017. The reversal of 99080000 is 8099.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 38738176 + 60341824 = 6224^2 + 7768^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38762 + ... + 41238.

Almost surely, 2^99080000 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 99080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122892693).

99080000 is an abundant number, since it is smaller than the sum of its proper divisors (146705386).

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

99080000 is an equidigital number, since it uses as much as digits as its factorization.

99080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 99080000 is about 9953.8937105034. The cubic root of 99080000 is about 462.7310751806.

Adding to 99080000 its reverse (8099), we get a palindrome (99088099).

The spelling of 99080000 in words is "ninety-nine million, eighty thousand".