99316817 has 2 divisors, whose sum is σ = 99316818. Its totient is φ = 99316816.

The previous prime is 99316747. The next prime is 99316831. The reversal of 99316817 is 71861399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 13957696 = 9239^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 99316817 - 2¹⁶ = 99251281 is a prime.

It is a super-2 number, since 2×99316817² = 19727660278022978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99316837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49658408 + 49658409.

It is an arithmetic number, because the mean of its divisors is an integer number (49658409).

Almost surely, 2^99316817 is an apocalyptic number.

It is an amenable number.

99316817 is a deficient number, since it is larger than the sum of its proper divisors (1).

99316817 is an equidigital number, since it uses as much as digits as its factorization.

99316817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 99316817 is about 9965.7823074759. The cubic root of 99316817 is about 463.0994488657.

The spelling of 99316817 in words is "ninety-nine million, three hundred sixteen thousand, eight hundred seventeen".