199880563 has 2 divisors, whose sum is σ = 199880564. Its totient is φ = 199880562.

The previous prime is 199880531. The next prime is 199880573. The reversal of 199880563 is 365088991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199880563 - 2⁵ = 199880531 is a prime.

It is not a weakly prime, because it can be changed into another prime (199880503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99940281 + 99940282.

It is an arithmetic number, because the mean of its divisors is an integer number (99940282).

Almost surely, 2^199880563 is an apocalyptic number.

199880563 is a deficient number, since it is larger than the sum of its proper divisors (1).

199880563 is an equidigital number, since it uses as much as digits as its factorization.

199880563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 199880563 is about 14137.9122574728. The cubic root of 199880563 is about 584.6871124929.

The spelling of 199880563 in words is "one hundred ninety-nine million, eight hundred eighty thousand, five hundred sixty-three".