195027864 has 16 divisors (see below), whose sum is σ = 487569720. Its totient is φ = 65009280.

The previous prime is 195027823. The next prime is 195027881. The reversal of 195027864 is 468720591.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4063057 + ... + 4063104.

Almost surely, 2^195027864 is an apocalyptic number.

It is an amenable number.

195027864 is an abundant number, since it is smaller than the sum of its proper divisors (292541856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195027864 is a wasteful number, since it uses less digits than its factorization.

195027864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126170 (or 8126166 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 195027864 is about 13965.2376993734. The cubic root of 195027864 is about 579.9166190085.

The spelling of 195027864 in words is "one hundred ninety-five million, twenty-seven thousand, eight hundred sixty-four".