194987675 has 24 divisors (see below), whose sum is σ = 260459520. Its totient is φ = 144381600.

The previous prime is 194987641. The next prime is 194987701. The reversal of 194987675 is 576789491.

It is not a de Polignac number, because 194987675 - 2¹⁴ = 194971291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194987675.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12356 + ... + 23294.

It is an arithmetic number, because the mean of its divisors is an integer number (10852480).

Almost surely, 2^194987675 is an apocalyptic number.

194987675 is a deficient number, since it is larger than the sum of its proper divisors (65471845).

194987675 is a wasteful number, since it uses less digits than its factorization.

194987675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003 (or 10998 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 194987675 is about 13963.7987310044. The cubic root of 194987675 is about 579.8767821880.

The spelling of 194987675 in words is "one hundred ninety-four million, nine hundred eighty-seven thousand, six hundred seventy-five".