804218276317 has 2 divisors, whose sum is σ = 804218276318. Its totient is φ = 804218276316.

The previous prime is 804218276311. The next prime is 804218276353. The reversal of 804218276317 is 713672812408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803221043076 + 997233241 = 896226^2 + 31579^2 .

It is a cyclic number.

It is not a de Polignac number, because 804218276317 - 2¹⁹ = 804217752029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804218276311) 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, 402109138158 + 402109138159.

It is an arithmetic number, because the mean of its divisors is an integer number (402109138159).

Almost surely, 2^804218276317 is an apocalyptic number.

It is an amenable number.

804218276317 is a deficient number, since it is larger than the sum of its proper divisors (1).

804218276317 is an equidigital number, since it uses as much as digits as its factorization.

804218276317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 804218276317 in words is "eight hundred four billion, two hundred eighteen million, two hundred seventy-six thousand, three hundred seventeen".