99988884 has 24 divisors (see below), whose sum is σ = 259230720. Its totient is φ = 33329592.

The previous prime is 99988879. The next prime is 99988913. The reversal of 99988884 is 48888999.

It is a nialpdrome in base 10.

It is a congruent number.

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, 462804 + ... + 463019.

It is an arithmetic number, because the mean of its divisors is an integer number (10801280).

Almost surely, 2^99988884 is an apocalyptic number.

It is an amenable number.

99988884 is an abundant number, since it is smaller than the sum of its proper divisors (159241836).

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

99988884 is a wasteful number, since it uses less digits than its factorization.

99988884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925836 (or 925828 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 63.

The square root of 99988884 is about 9999.4441845535. Note that the first 3 decimals coincide. The cubic root of 99988884 is about 464.1416840901.

The spelling of 99988884 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred eighty-four".