99611808 has 48 divisors (see below), whose sum is σ = 262342080. Its totient is φ = 33094656.

The previous prime is 99611797. The next prime is 99611819. The reversal of 99611808 is 80811699.

It is an interprime number because it is at equal distance from previous prime (99611797) and next prime (99611819).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99611808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30813 + ... + 33891.

It is an arithmetic number, because the mean of its divisors is an integer number (5465460).

Almost surely, 2^99611808 is an apocalyptic number.

It is an amenable number.

99611808 is an abundant number, since it is smaller than the sum of its proper divisors (162730272).

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

99611808 is a wasteful number, since it uses less digits than its factorization.

99611808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 99611808 is about 9980.5715267213. The cubic root of 99611808 is about 463.5574952911.

The spelling of 99611808 in words is "ninety-nine million, six hundred eleven thousand, eight hundred eight".