199899559 has 8 divisors (see below), whose sum is σ = 205017120. Its totient is φ = 194793600.

The previous prime is 199899547. The next prime is 199899593. The reversal of 199899559 is 955998991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199899559 - 2⁷ = 199899431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199899559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199893559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39907 + ... + 44635.

It is an arithmetic number, because the mean of its divisors is an integer number (25627140).

Almost surely, 2^199899559 is an apocalyptic number.

199899559 is a deficient number, since it is larger than the sum of its proper divisors (5117561).

199899559 is a wasteful number, since it uses less digits than its factorization.

199899559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801.

The product of its digits is 11809800, while the sum is 64.

The square root of 199899559 is about 14138.5840521602. The cubic root of 199899559 is about 584.7056341613.

The spelling of 199899559 in words is "one hundred ninety-nine million, eight hundred ninety-nine thousand, five hundred fifty-nine".