99315785 has 16 divisors (see below), whose sum is σ = 130263552. Its totient is φ = 72364800.

The previous prime is 99315781. The next prime is 99315787. The reversal of 99315785 is 58751399.

It is not a de Polignac number, because 99315785 - 2² = 99315781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99315781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16211 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (8141472).

Almost surely, 2^99315785 is an apocalyptic number.

It is an amenable number.

99315785 is a deficient number, since it is larger than the sum of its proper divisors (30947767).

99315785 is a wasteful number, since it uses less digits than its factorization.

99315785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37744.

The product of its digits is 340200, while the sum is 47.

The square root of 99315785 is about 9965.7305301719. The cubic root of 99315785 is about 463.0978448397.

The spelling of 99315785 in words is "ninety-nine million, three hundred fifteen thousand, seven hundred eighty-five".