99785313 has 12 divisors (see below), whose sum is σ = 144293760. Its totient is φ = 66449976.

The previous prime is 99785299. The next prime is 99785347. The reversal of 99785313 is 31358799.

It is a happy number.

It is not a de Polignac number, because 99785313 - 2⁸ = 99785057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99785383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3208 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (12024480).

Almost surely, 2^99785313 is an apocalyptic number.

It is an amenable number.

99785313 is a deficient number, since it is larger than the sum of its proper divisors (44508447).

99785313 is a wasteful number, since it uses less digits than its factorization.

99785313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268 (or 12265 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 99785313 is about 9989.2598824938. The cubic root of 99785313 is about 463.8264824465.

The spelling of 99785313 in words is "ninety-nine million, seven hundred eighty-five thousand, three hundred thirteen".