99585807 has 32 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 62680800.

The previous prime is 99585743. The next prime is 99585823. The reversal of 99585807 is 70858599.

It is not a de Polignac number, because 99585807 - 2⁶ = 99585743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99585807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99585107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760132 + ... + 760262.

It is an arithmetic number, because the mean of its divisors is an integer number (4390848).

Almost surely, 2^99585807 is an apocalyptic number.

99585807 is a deficient number, since it is larger than the sum of its proper divisors (40921329).

99585807 is a wasteful number, since it uses less digits than its factorization.

99585807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 99585807 is about 9979.2688609938. The cubic root of 99585807 is about 463.5171586833.

The spelling of 99585807 in words is "ninety-nine million, five hundred eighty-five thousand, eight hundred seven".