204255622567 has 2 divisors, whose sum is σ = 204255622568. Its totient is φ = 204255622566.

The previous prime is 204255622531. The next prime is 204255622579. The reversal of 204255622567 is 765226552402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204255622567 - 2¹⁵ = 204255589799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204255622517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102127811283 + 102127811284.

It is an arithmetic number, because the mean of its divisors is an integer number (102127811284).

Almost surely, 2^204255622567 is an apocalyptic number.

204255622567 is a deficient number, since it is larger than the sum of its proper divisors (1).

204255622567 is an equidigital number, since it uses as much as digits as its factorization.

204255622567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 204255622567 in words is "two hundred four billion, two hundred fifty-five million, six hundred twenty-two thousand, five hundred sixty-seven".