199317795 has 8 divisors (see below), whose sum is σ = 318908496. Its totient is φ = 106302816.

The previous prime is 199317791. The next prime is 199317821. The reversal of 199317795 is 597713991.

199317795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 199317795 - 2² = 199317791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199317791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6643912 + ... + 6643941.

It is an arithmetic number, because the mean of its divisors is an integer number (39863562).

Almost surely, 2^199317795 is an apocalyptic number.

199317795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199317795 is a deficient number, since it is larger than the sum of its proper divisors (119590701).

199317795 is a wasteful number, since it uses less digits than its factorization.

199317795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13287861.

The product of its digits is 535815, while the sum is 51.

The square root of 199317795 is about 14117.9954313635. The cubic root of 199317795 is about 584.1378636726.

The spelling of 199317795 in words is "one hundred ninety-nine million, three hundred seventeen thousand, seven hundred ninety-five".