99988026 has 8 divisors (see below), whose sum is σ = 199976064. Its totient is φ = 33329340.

The previous prime is 99988019. The next prime is 99988037. The reversal of 99988026 is 62088999.

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

99988026 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99988026.

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, 8332330 + ... + 8332341.

It is an arithmetic number, because the mean of its divisors is an integer number (24997008).

Almost surely, 2^99988026 is an apocalyptic number.

99988026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99988026 is a wasteful number, since it uses less digits than its factorization.

99988026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664676.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 99988026 is about 9999.4012820768. The cubic root of 99988026 is about 464.1403564936.

The spelling of 99988026 in words is "ninety-nine million, nine hundred eighty-eight thousand, twenty-six".