89000099 has 2 divisors, whose sum is σ = 89000100. Its totient is φ = 89000098.

The previous prime is 89000027. The next prime is 89000111. The reversal of 89000099 is 99000098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89000099 - 2⁸ = 88999843 is a prime.

89000099 is a modest number, since divided by 99 gives 89 as remainder.

It is not a weakly prime, because it can be changed into another prime (89000699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44500049 + 44500050.

It is an arithmetic number, because the mean of its divisors is an integer number (44500050).

Almost surely, 2^89000099 is an apocalyptic number.

89000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

89000099 is an equidigital number, since it uses as much as digits as its factorization.

89000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 89000099 is about 9433.9863790447. The cubic root of 89000099 is about 446.4746751051.

Subtracting 89000099 from its reverse (99000098), we obtain a palindrome (9999999).

The spelling of 89000099 in words is "eighty-nine million, ninety-nine", and thus it is an aban number and an uban number.