199882847 has 2 divisors, whose sum is σ = 199882848. Its totient is φ = 199882846.

The previous prime is 199882829. The next prime is 199882849. The reversal of 199882847 is 748288991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199882847 - 2¹⁰ = 199881823 is a prime.

Together with 199882849, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 199882792 and 199882801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199882849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99941423 + 99941424.

It is an arithmetic number, because the mean of its divisors is an integer number (99941424).

Almost surely, 2^199882847 is an apocalyptic number.

199882847 is a deficient number, since it is larger than the sum of its proper divisors (1).

199882847 is an equidigital number, since it uses as much as digits as its factorization.

199882847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 56.

The square root of 199882847 is about 14137.9930329591. The cubic root of 199882847 is about 584.6893395233.

The spelling of 199882847 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, eight hundred forty-seven".