204880195230407 has 2 divisors, whose sum is σ = 204880195230408. Its totient is φ = 204880195230406.

The previous prime is 204880195230299. The next prime is 204880195230421. The reversal of 204880195230407 is 704032591088402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204880195230407 - 2²⁴ = 204880178453191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204880195250407) 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, 102440097615203 + 102440097615204.

It is an arithmetic number, because the mean of its divisors is an integer number (102440097615204).

Almost surely, 2^{204880195230407} is an apocalyptic number.

204880195230407 is a deficient number, since it is larger than the sum of its proper divisors (1).

204880195230407 is an equidigital number, since it uses as much as digits as its factorization.

204880195230407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 204880195230407 in words is "two hundred four trillion, eight hundred eighty billion, one hundred ninety-five million, two hundred thirty thousand, four hundred seven".