99811008 has 224 divisors, whose sum is σ = 329184000. Its totient is φ = 29399040.

The previous prime is 99810983. The next prime is 99811021. The reversal of 99811008 is 80011899.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121428 + ... + 1121516.

Almost surely, 2^99811008 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 99811008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164592000).

99811008 is an abundant number, since it is smaller than the sum of its proper divisors (229372992).

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

99811008 is a wasteful number, since it uses less digits than its factorization.

99811008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 99811008 is about 9990.5459310290. The cubic root of 99811008 is about 463.8662912396.

The spelling of 99811008 in words is "ninety-nine million, eight hundred eleven thousand, eight".