204163087 has 2 divisors, whose sum is σ = 204163088. Its totient is φ = 204163086.

The previous prime is 204163039. The next prime is 204163109. The reversal of 204163087 is 780361402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204163087 - 2¹¹ = 204161039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204167087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102081543 + 102081544.

It is an arithmetic number, because the mean of its divisors is an integer number (102081544).

Almost surely, 2^204163087 is an apocalyptic number.

204163087 is a deficient number, since it is larger than the sum of its proper divisors (1).

204163087 is an equidigital number, since it uses as much as digits as its factorization.

204163087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 204163087 is about 14288.5649034464. The cubic root of 204163087 is about 588.8333616183.

The spelling of 204163087 in words is "two hundred four million, one hundred sixty-three thousand, eighty-seven".