99909367 has 2 divisors, whose sum is σ = 99909368. Its totient is φ = 99909366.

The previous prime is 99909319. The next prime is 99909419. The reversal of 99909367 is 76390999.

It is an a-pointer prime, because the next prime (99909419) can be obtained adding 99909367 to its sum of digits (52).

It is a weak prime.

It is an emirp because it is prime and its reverse (76390999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99909367 - 2¹¹ = 99907319 is a prime.

It is a super-2 number, since 2×99909367² = 19963763228681378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99909307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49954683 + 49954684.

It is an arithmetic number, because the mean of its divisors is an integer number (49954684).

Almost surely, 2^99909367 is an apocalyptic number.

99909367 is a deficient number, since it is larger than the sum of its proper divisors (1).

99909367 is an equidigital number, since it uses as much as digits as its factorization.

99909367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 99909367 is about 9995.4673227418. The cubic root of 99909367 is about 464.0186139357.

The spelling of 99909367 in words is "ninety-nine million, nine hundred nine thousand, three hundred sixty-seven".