195357855 has 96 divisors (see below), whose sum is σ = 403308288. Its totient is φ = 79833600.

The previous prime is 195357853. The next prime is 195357871. The reversal of 195357855 is 558753591.

It is not a de Polignac number, because 195357855 - 2¹ = 195357853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195357853) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 590040 + ... + 590370.

It is an arithmetic number, because the mean of its divisors is an integer number (4201128).

Almost surely, 2^195357855 is an apocalyptic number.

195357855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195357855 is an abundant number, since it is smaller than the sum of its proper divisors (207950433).

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

195357855 is a wasteful number, since it uses less digits than its factorization.

195357855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 430 counting only the distinct ones).

The product of its digits is 945000, while the sum is 48.

The square root of 195357855 is about 13977.0474349914. The cubic root of 195357855 is about 580.2435115015.

The spelling of 195357855 in words is "one hundred ninety-five million, three hundred fifty-seven thousand, eight hundred fifty-five".