204878095 has 8 divisors (see below), whose sum is σ = 246011040. Its totient is φ = 163797600.

The previous prime is 204878071. The next prime is 204878111. The reversal of 204878095 is 590878402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204878095 - 2¹¹ = 204876047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3931 + ... + 20620.

It is an arithmetic number, because the mean of its divisors is an integer number (30751380).

Almost surely, 2^204878095 is an apocalyptic number.

204878095 is a deficient number, since it is larger than the sum of its proper divisors (41132945).

204878095 is a wasteful number, since it uses less digits than its factorization.

204878095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 204878095 is about 14313.5633229465. The cubic root of 204878095 is about 589.5199532924.

It can be divided in two parts, 20487 and 8095, that added together give a palindrome (28582).

The spelling of 204878095 in words is "two hundred four million, eight hundred seventy-eight thousand, ninety-five".