99589837 has 2 divisors, whose sum is σ = 99589838. Its totient is φ = 99589836.

The previous prime is 99589807. The next prime is 99589873. The reversal of 99589837 is 73898599.

Together with next prime (99589873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 46867716 = 7261^2 + 6846^2 .

It is an emirp because it is prime and its reverse (73898599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99589837 - 2¹⁵ = 99557069 is a prime.

It is a super-3 number, since 3×99589837³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99589807) 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, 49794918 + 49794919.

It is an arithmetic number, because the mean of its divisors is an integer number (49794919).

Almost surely, 2^99589837 is an apocalyptic number.

It is an amenable number.

99589837 is a deficient number, since it is larger than the sum of its proper divisors (1).

99589837 is an equidigital number, since it uses as much as digits as its factorization.

99589837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 99589837 is about 9979.4707775513. The cubic root of 99589837 is about 463.5234110768.

The spelling of 99589837 in words is "ninety-nine million, five hundred eighty-nine thousand, eight hundred thirty-seven".