195688095 has 32 divisors (see below), whose sum is σ = 317399040. Its totient is φ = 102946560.

The previous prime is 195688093. The next prime is 195688111. The reversal of 195688095 is 590886591.

It is not a de Polignac number, because 195688095 - 2¹ = 195688093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195688093) 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 31 ways as a sum of consecutive naturals, for example, 478251 + ... + 478659.

It is an arithmetic number, because the mean of its divisors is an integer number (9918720).

Almost surely, 2^195688095 is an apocalyptic number.

195688095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195688095 is a deficient number, since it is larger than the sum of its proper divisors (121710945).

195688095 is a wasteful number, since it uses less digits than its factorization.

195688095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 777600, while the sum is 51.

The square root of 195688095 is about 13988.8561004823. The cubic root of 195688095 is about 580.5702823309.

The spelling of 195688095 in words is "one hundred ninety-five million, six hundred eighty-eight thousand, ninety-five".