99365587 has 2 divisors, whose sum is σ = 99365588. Its totient is φ = 99365586.

The previous prime is 99365579. The next prime is 99365593. The reversal of 99365587 is 78556399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99365587 - 2³ = 99365579 is a prime.

It is not a weakly prime, because it can be changed into another prime (99365507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49682793 + 49682794.

It is an arithmetic number, because the mean of its divisors is an integer number (49682794).

Almost surely, 2^99365587 is an apocalyptic number.

99365587 is a deficient number, since it is larger than the sum of its proper divisors (1).

99365587 is an equidigital number, since it uses as much as digits as its factorization.

99365587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 52.

The square root of 99365587 is about 9968.2288797960. The cubic root of 99365587 is about 463.1752388643.

The spelling of 99365587 in words is "ninety-nine million, three hundred sixty-five thousand, five hundred eighty-seven".