199999882 has 4 divisors (see below), whose sum is σ = 299999826. Its totient is φ = 99999940.

The previous prime is 199999853. The next prime is 199999889. The reversal of 199999882 is 288999991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199685161 + 314721 = 14131^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (199999889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999969 + ... + 49999972.

Almost surely, 2^199999882 is an apocalyptic number.

199999882 is a deficient number, since it is larger than the sum of its proper divisors (99999944).

199999882 is an equidigital number, since it uses as much as digits as its factorization.

199999882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99999943.

The product of its digits is 7558272, while the sum is 64.

The square root of 199999882 is about 14142.1314518003. The cubic root of 199999882 is about 584.8034326312.

The spelling of 199999882 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred eighty-two".