199680883 has 2 divisors, whose sum is σ = 199680884.
Its totient is φ = 199680882.
The previous prime is 199680881. The next prime is 199680893. The reversal of 199680883 is 388086991.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 199680883 - 21 = 199680881 is a prime.
Together with 199680881, 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 199680883.
It is not a weakly prime, because it can be changed into another prime (199680881) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99840441 + 99840442.
It is an arithmetic number, because the mean of its divisors is an integer number (99840442).
Almost surely, 2199680883 is an apocalyptic number.
199680883 is a deficient number, since it is larger than the sum of its proper divisors (1).
199680883 is an equidigital number, since it uses as much as digits as its factorization.
199680883 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 746496, while the sum is 52.
The square root of 199680883 is about 14130.8486298594.
The cubic root of 199680883 is about 584.4923474789.
The spelling of 199680883 in words is "one hundred ninety-nine million, six hundred eighty thousand, eight hundred eighty-three".