199882937 has 2 divisors, whose sum is σ = 199882938. Its totient is φ = 199882936.

The previous prime is 199882901. The next prime is 199882961. The reversal of 199882937 is 739288991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138980521 + 60902416 = 11789^2 + 7804^2 .

It is a cyclic number.

It is not a de Polignac number, because 199882937 - 2¹⁴ = 199866553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199882967) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99941468 + 99941469.

It is an arithmetic number, because the mean of its divisors is an integer number (99941469).

Almost surely, 2^199882937 is an apocalyptic number.

It is an amenable number.

199882937 is a deficient number, since it is larger than the sum of its proper divisors (1).

199882937 is an equidigital number, since it uses as much as digits as its factorization.

199882937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 199882937 is about 14137.9962158716. The cubic root of 199882937 is about 584.6894272781.

The spelling of 199882937 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, nine hundred thirty-seven".