99008089 has 2 divisors, whose sum is σ = 99008090. Its totient is φ = 99008088.

The previous prime is 99008083. The next prime is 99008113. The reversal of 99008089 is 98080099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 15468489 = 9140^2 + 3933^2 .

It is a cyclic number.

It is not a de Polignac number, because 99008089 - 2¹¹ = 99006041 is a prime.

It is not a weakly prime, because it can be changed into another prime (99008083) 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 as a sum of consecutive naturals, namely, 49504044 + 49504045.

It is an arithmetic number, because the mean of its divisors is an integer number (49504045).

Almost surely, 2^99008089 is an apocalyptic number.

It is an amenable number.

99008089 is a deficient number, since it is larger than the sum of its proper divisors (1).

99008089 is an equidigital number, since it uses as much as digits as its factorization.

99008089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 99008089 is about 9950.2808503077. The cubic root of 99008089 is about 462.6190999825.

The spelling of 99008089 in words is "ninety-nine million, eight thousand, eighty-nine".