199988083 has 2 divisors, whose sum is σ = 199988084. Its totient is φ = 199988082.

The previous prime is 199988081. The next prime is 199988143. The reversal of 199988083 is 380889991.

It is a weak prime.

It is an emirp because it is prime and its reverse (380889991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199988083 - 2¹ = 199988081 is a prime.

Together with 199988081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199988081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99994041 + 99994042.

It is an arithmetic number, because the mean of its divisors is an integer number (99994042).

Almost surely, 2^199988083 is an apocalyptic number.

199988083 is a deficient number, since it is larger than the sum of its proper divisors (1).

199988083 is an equidigital number, since it uses as much as digits as its factorization.

199988083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 199988083 is about 14141.7142878790. The cubic root of 199988083 is about 584.7919322387.

The spelling of 199988083 in words is "one hundred ninety-nine million, nine hundred eighty-eight thousand, eighty-three".