99988898 has 8 divisors (see below), whose sum is σ = 151439808. Its totient is φ = 49508964.

The previous prime is 99988879. The next prime is 99988913. The reversal of 99988898 is 89888999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242486 + ... + 242897.

It is an arithmetic number, because the mean of its divisors is an integer number (18929976).

Almost surely, 2^99988898 is an apocalyptic number.

99988898 is a deficient number, since it is larger than the sum of its proper divisors (51450910).

99988898 is a wasteful number, since it uses less digits than its factorization.

99988898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485488.

The product of its digits is 26873856, while the sum is 68.

The square root of 99988898 is about 9999.4448845923. Note that the first 3 decimals coincide. The cubic root of 99988898 is about 464.1417057525.

The spelling of 99988898 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred ninety-eight".