99516089 has 2 divisors, whose sum is σ = 99516090. Its totient is φ = 99516088.

The previous prime is 99516073. The next prime is 99516103. The reversal of 99516089 is 98061599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82210489 + 17305600 = 9067^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 99516089 - 2⁴ = 99516073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99516029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49758044 + 49758045.

It is an arithmetic number, because the mean of its divisors is an integer number (49758045).

Almost surely, 2^99516089 is an apocalyptic number.

It is an amenable number.

99516089 is a deficient number, since it is larger than the sum of its proper divisors (1).

99516089 is an equidigital number, since it uses as much as digits as its factorization.

99516089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 99516089 is about 9975.7751077297. The cubic root of 99516089 is about 463.4089671169.

The spelling of 99516089 in words is "ninety-nine million, five hundred sixteen thousand, eighty-nine".