99965207 has 2 divisors, whose sum is σ = 99965208. Its totient is φ = 99965206.

The previous prime is 99965191. The next prime is 99965209. The reversal of 99965207 is 70256999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99965207 - 2⁴ = 99965191 is a prime.

It is a super-2 number, since 2×99965207² = 19986085221105698, which contains 22 as substring.

Together with 99965209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99965209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49982603 + 49982604.

It is an arithmetic number, because the mean of its divisors is an integer number (49982604).

Almost surely, 2^99965207 is an apocalyptic number.

99965207 is a deficient number, since it is larger than the sum of its proper divisors (1).

99965207 is an equidigital number, since it uses as much as digits as its factorization.

99965207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 99965207 is about 9998.2601986546. The cubic root of 99965207 is about 464.1050455168.

The spelling of 99965207 in words is "ninety-nine million, nine hundred sixty-five thousand, two hundred seven".