99000000008 has 32 divisors (see below), whose sum is σ = 228461540160. Its totient is φ = 39164834880.

The previous prime is 98999999999. The next prime is 99000000031. The reversal of 99000000008 is 80000000099.

It is a happy number.

99000000008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 67993778 + ... + 67995233.

It is an arithmetic number, because the mean of its divisors is an integer number (7139423130).

Almost surely, 2^99000000008 is an apocalyptic number.

It is an amenable number.

99000000008 is an abundant number, since it is smaller than the sum of its proper divisors (129461540152).

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

99000000008 is a wasteful number, since it uses less digits than its factorization.

99000000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135989037 (or 135989033 counting only the distinct ones).

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

The spelling of 99000000008 in words is "ninety-nine billion, eight", and thus it is an aban number and an uban number.