99322387 has 2 divisors, whose sum is σ = 99322388. Its totient is φ = 99322386.

The previous prime is 99322373. The next prime is 99322403. The reversal of 99322387 is 78322399.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99322387 is a prime.

It is not a weakly prime, because it can be changed into another prime (99322337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49661193 + 49661194.

It is an arithmetic number, because the mean of its divisors is an integer number (49661194).

Almost surely, 2^99322387 is an apocalyptic number.

99322387 is a deficient number, since it is larger than the sum of its proper divisors (1).

99322387 is an equidigital number, since it uses as much as digits as its factorization.

99322387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 99322387 is about 9966.0617597926. The cubic root of 99322387 is about 463.1081060626.

The spelling of 99322387 in words is "ninety-nine million, three hundred twenty-two thousand, three hundred eighty-seven".