204687159 has 8 divisors (see below), whose sum is σ = 273000432. Its totient is φ = 136416000.

The previous prime is 204687139. The next prime is 204687167. The reversal of 204687159 is 951786402.

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

It is not a de Polignac number, because 204687159 - 2⁵ = 204687127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204687159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204687139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (34125054).

Almost surely, 2^204687159 is an apocalyptic number.

204687159 is a deficient number, since it is larger than the sum of its proper divisors (68313273).

204687159 is a wasteful number, since it uses less digits than its factorization.

204687159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21057.

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

The square root of 204687159 is about 14306.8920104962. The cubic root of 204687159 is about 589.3367621337.

The spelling of 204687159 in words is "two hundred four million, six hundred eighty-seven thousand, one hundred fifty-nine".