204196087 has 2 divisors, whose sum is σ = 204196088. Its totient is φ = 204196086.

The previous prime is 204196079. The next prime is 204196099. The reversal of 204196087 is 780691402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204196087 - 2³ = 204196079 is a prime.

It is a super-2 number, since 2×204196087² = 83392083892223138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204196037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102098043 + 102098044.

It is an arithmetic number, because the mean of its divisors is an integer number (102098044).

Almost surely, 2^204196087 is an apocalyptic number.

204196087 is a deficient number, since it is larger than the sum of its proper divisors (1).

204196087 is an equidigital number, since it uses as much as digits as its factorization.

204196087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 204196087 is about 14289.7196263608. The cubic root of 204196087 is about 588.8650853649.

The spelling of 204196087 in words is "two hundred four million, one hundred ninety-six thousand, eighty-seven".