99850589 has 2 divisors, whose sum is σ = 99850590. Its totient is φ = 99850588.

The previous prime is 99850559. The next prime is 99850603. The reversal of 99850589 is 98505899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75516100 + 24334489 = 8690^2 + 4933^2 .

It is a cyclic number.

It is not a de Polignac number, because 99850589 - 2²⁰ = 98802013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99850589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99850559) 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, 49925294 + 49925295.

It is an arithmetic number, because the mean of its divisors is an integer number (49925295).

Almost surely, 2^99850589 is an apocalyptic number.

It is an amenable number.

99850589 is a deficient number, since it is larger than the sum of its proper divisors (1).

99850589 is an equidigital number, since it uses as much as digits as its factorization.

99850589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The square root of 99850589 is about 9992.5266574576. The cubic root of 99850589 is about 463.9275999923.

The spelling of 99850589 in words is "ninety-nine million, eight hundred fifty thousand, five hundred eighty-nine".