204332402077 has 2 divisors, whose sum is σ = 204332402078. Its totient is φ = 204332402076.

The previous prime is 204332402051. The next prime is 204332402111. The reversal of 204332402077 is 770204233402.

204332402077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (204332402111) can be obtained adding 204332402077 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107171771641 + 97160630436 = 327371^2 + 311706^2 .

It is a cyclic number.

It is not a de Polignac number, because 204332402077 - 2²⁷ = 204198184349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204332409077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102166201038 + 102166201039.

It is an arithmetic number, because the mean of its divisors is an integer number (102166201039).

Almost surely, 2^204332402077 is an apocalyptic number.

It is an amenable number.

204332402077 is a deficient number, since it is larger than the sum of its proper divisors (1).

204332402077 is an equidigital number, since it uses as much as digits as its factorization.

204332402077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 34.

Adding to 204332402077 its reverse (770204233402), we get a palindrome (974536635479).

The spelling of 204332402077 in words is "two hundred four billion, three hundred thirty-two million, four hundred two thousand, seventy-seven".