195930775 has 6 divisors (see below), whose sum is σ = 242954192. Its totient is φ = 156744600.

The previous prime is 195930773. The next prime is 195930817. The reversal of 195930775 is 577039591.

It is a happy number.

It is not a de Polignac number, because 195930775 - 2¹ = 195930773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195930773) 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 5 ways as a sum of consecutive naturals, for example, 3918591 + ... + 3918640.

Almost surely, 2^195930775 is an apocalyptic number.

195930775 is a deficient number, since it is larger than the sum of its proper divisors (47023417).

195930775 is an equidigital number, since it uses as much as digits as its factorization.

195930775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837241 (or 7837236 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 195930775 is about 13997.5274602338. The cubic root of 195930775 is about 580.8101787063.

The spelling of 195930775 in words is "one hundred ninety-five million, nine hundred thirty thousand, seven hundred seventy-five".