204750087 has 4 divisors (see below), whose sum is σ = 273000120. Its totient is φ = 136500056.

The previous prime is 204750059. The next prime is 204750103. The reversal of 204750087 is 780057402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204750087 - 2¹⁰ = 204749063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204750037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34125012 + ... + 34125017.

It is an arithmetic number, because the mean of its divisors is an integer number (68250030).

Almost surely, 2^204750087 is an apocalyptic number.

204750087 is a deficient number, since it is larger than the sum of its proper divisors (68250033).

204750087 is an equidigital number, since it uses as much as digits as its factorization.

204750087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68250032.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 204750087 is about 14309.0910612799. The cubic root of 204750087 is about 589.3971501980.

The spelling of 204750087 in words is "two hundred four million, seven hundred fifty thousand, eighty-seven".