99988844 has 6 divisors (see below), whose sum is σ = 174980484. Its totient is φ = 49994420.

The previous prime is 99988831. The next prime is 99988853. The reversal of 99988844 is 44888999.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12498602 + ... + 12498609.

It is an arithmetic number, because the mean of its divisors is an integer number (29163414).

Almost surely, 2^99988844 is an apocalyptic number.

It is an amenable number.

99988844 is a deficient number, since it is larger than the sum of its proper divisors (74991640).

99988844 is a wasteful number, since it uses less digits than its factorization.

99988844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24997215 (or 24997213 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The square root of 99988844 is about 9999.4421844421. The cubic root of 99988844 is about 464.1416221977.

The spelling of 99988844 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred forty-four".