99090080 has 24 divisors (see below), whose sum is σ = 234100692. Its totient is φ = 39635968.

The previous prime is 99090067. The next prime is 99090133. The reversal of 99090080 is 8009099.

It can be written as a sum of positive squares in 2 ways, for example, as 91317136 + 7772944 = 9556^2 + 2788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99090080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309497 + ... + 309816.

Almost surely, 2^99090080 is an apocalyptic number.

It is an amenable number.

99090080 is an abundant number, since it is smaller than the sum of its proper divisors (135010612).

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

99090080 is a wasteful number, since it uses less digits than its factorization.

99090080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619328 (or 619320 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 99090080 is about 9954.4000321466. The cubic root of 99090080 is about 462.7467667803.

The spelling of 99090080 in words is "ninety-nine million, ninety thousand, eighty".