195790885 has 16 divisors (see below), whose sum is σ = 243044352. Its totient is φ = 151257600.

The previous prime is 195790883. The next prime is 195790901. The reversal of 195790885 is 588097591.

It is not a de Polignac number, because 195790885 - 2¹ = 195790883 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 (195790883) 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, 93045 + ... + 95125.

It is an arithmetic number, because the mean of its divisors is an integer number (15190272).

Almost surely, 2^195790885 is an apocalyptic number.

It is an amenable number.

195790885 is a deficient number, since it is larger than the sum of its proper divisors (47253467).

195790885 is a wasteful number, since it uses less digits than its factorization.

195790885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 907200, while the sum is 52.

The square root of 195790885 is about 13992.5296140476. The cubic root of 195790885 is about 580.6719174925.

The spelling of 195790885 in words is "one hundred ninety-five million, seven hundred ninety thousand, eight hundred eighty-five".