195327795215 has 12 divisors (see below), whose sum is σ = 272661657336. Its totient is φ = 133939059408.

The previous prime is 195327795203. The next prime is 195327795217. The reversal of 195327795215 is 512597723591.

195327795215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195327795215 - 2⁴ = 195327795199 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 (195327795217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398627909 + ... + 398628398.

It is an arithmetic number, because the mean of its divisors is an integer number (22721804778).

Almost surely, 2^195327795215 is an apocalyptic number.

195327795215 is a deficient number, since it is larger than the sum of its proper divisors (77333862121).

195327795215 is an equidigital number, since it uses as much as digits as its factorization.

195327795215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797256326 (or 797256319 counting only the distinct ones).

The product of its digits is 5953500, while the sum is 56.

The spelling of 195327795215 in words is "one hundred ninety-five billion, three hundred twenty-seven million, seven hundred ninety-five thousand, two hundred fifteen".