199927085027 has 4 divisors (see below), whose sum is σ = 202742959536. Its totient is φ = 197111210520.

The previous prime is 199927084997. The next prime is 199927085041. The reversal of 199927085027 is 720580729991.

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

It is a cyclic number.

It is not a de Polignac number, because 199927085027 - 2⁶ = 199927084963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199927085077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407937148 + ... + 1407937289.

It is an arithmetic number, because the mean of its divisors is an integer number (50685739884).

Almost surely, 2^199927085027 is an apocalyptic number.

199927085027 is a deficient number, since it is larger than the sum of its proper divisors (2815874509).

199927085027 is an equidigital number, since it uses as much as digits as its factorization.

199927085027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815874508.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 199927085027 in words is "one hundred ninety-nine billion, nine hundred twenty-seven million, eighty-five thousand, twenty-seven".