195039867 has 16 divisors (see below), whose sum is σ = 287584128. Its totient is φ = 116585280.

The previous prime is 195039857. The next prime is 195039919. The reversal of 195039867 is 768930591.

It is not a de Polignac number, because 195039867 - 2¹¹ = 195037819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195039857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38073 + ... + 42890.

It is an arithmetic number, because the mean of its divisors is an integer number (17974008).

Almost surely, 2^195039867 is an apocalyptic number.

195039867 is a deficient number, since it is larger than the sum of its proper divisors (92544261).

195039867 is a wasteful number, since it uses less digits than its factorization.

195039867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81050.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 195039867 is about 13965.6674384005. The cubic root of 195039867 is about 579.9285157639.

The spelling of 195039867 in words is "one hundred ninety-five million, thirty-nine thousand, eight hundred sixty-seven".