99007817 has 2 divisors, whose sum is σ = 99007818. Its totient is φ = 99007816.

The previous prime is 99007793. The next prime is 99007829. The reversal of 99007817 is 71870099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85729081 + 13278736 = 9259^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 99007817 - 2¹² = 99003721 is a prime.

It is not a weakly prime, because it can be changed into another prime (99007877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49503908 + 49503909.

It is an arithmetic number, because the mean of its divisors is an integer number (49503909).

Almost surely, 2^99007817 is an apocalyptic number.

It is an amenable number.

99007817 is a deficient number, since it is larger than the sum of its proper divisors (1).

99007817 is an equidigital number, since it uses as much as digits as its factorization.

99007817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 99007817 is about 9950.2671823424. The cubic root of 99007817 is about 462.6186763386.

The spelling of 99007817 in words is "ninety-nine million, seven thousand, eight hundred seventeen".