199882999 has 2 divisors, whose sum is σ = 199883000. Its totient is φ = 199882998.

The previous prime is 199882997. The next prime is 199883003. The reversal of 199882999 is 999288991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199882999 - 2¹ = 199882997 is a prime.

Together with 199882997, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199882999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199882997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99941499 + 99941500.

It is an arithmetic number, because the mean of its divisors is an integer number (99941500).

Almost surely, 2^199882999 is an apocalyptic number.

199882999 is a deficient number, since it is larger than the sum of its proper divisors (1).

199882999 is an equidigital number, since it uses as much as digits as its factorization.

199882999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 64.

The square root of 199882999 is about 14137.9984085443. The cubic root of 199882999 is about 584.6894877313.

The spelling of 199882999 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, nine hundred ninety-nine".