87322199 has 2 divisors, whose sum is σ = 87322200. Its totient is φ = 87322198.

The previous prime is 87322187. The next prime is 87322211. The reversal of 87322199 is 99122378.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (87322187) and next prime (87322211).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87322199 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87322399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43661099 + 43661100.

It is an arithmetic number, because the mean of its divisors is an integer number (43661100).

Almost surely, 2^87322199 is an apocalyptic number.

87322199 is a deficient number, since it is larger than the sum of its proper divisors (1).

87322199 is an equidigital number, since it uses as much as digits as its factorization.

87322199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 87322199 is about 9344.6347708190. The cubic root of 87322199 is about 443.6510917824.

The spelling of 87322199 in words is "eighty-seven million, three hundred twenty-two thousand, one hundred ninety-nine".