99185585 has 8 divisors (see below), whose sum is σ = 122862336. Its totient is φ = 76788720.

The previous prime is 99185579. The next prime is 99185609. The reversal of 99185585 is 58558199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99185585 - 2⁶ = 99185521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319799 + ... + 320108.

It is an arithmetic number, because the mean of its divisors is an integer number (15357792).

Almost surely, 2^99185585 is an apocalyptic number.

It is an amenable number.

99185585 is a deficient number, since it is larger than the sum of its proper divisors (23676751).

99185585 is a wasteful number, since it uses less digits than its factorization.

99185585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639943.

The product of its digits is 648000, while the sum is 50.

The square root of 99185585 is about 9959.1960016861. The cubic root of 99185585 is about 462.8953872375.

The spelling of 99185585 in words is "ninety-nine million, one hundred eighty-five thousand, five hundred eighty-five".