99988027 has 12 divisors (see below), whose sum is σ = 105034320. Its totient is φ = 95070528.

The previous prime is 99988019. The next prime is 99988037. The reversal of 99988027 is 72088999.

It is not a de Polignac number, because 99988027 - 2³ = 99988019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99988037) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 154218 + ... + 154864.

It is an arithmetic number, because the mean of its divisors is an integer number (8752860).

Almost surely, 2^99988027 is an apocalyptic number.

99988027 is a deficient number, since it is larger than the sum of its proper divisors (5046293).

99988027 is an equidigital number, since it uses as much as digits as its factorization.

99988027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 99988027 is about 9999.4013320798. The cubic root of 99988027 is about 464.1403580409.

The spelling of 99988027 in words is "ninety-nine million, nine hundred eighty-eight thousand, twenty-seven".