321340927575827 has 2 divisors, whose sum is σ = 321340927575828. Its totient is φ = 321340927575826.

The previous prime is 321340927575781. The next prime is 321340927575841. The reversal of 321340927575827 is 728575729043123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321340927575827 - 2⁸ = 321340927575571 is a prime.

It is not a weakly prime, because it can be changed into another prime (321340927595827) 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, 160670463787913 + 160670463787914.

It is an arithmetic number, because the mean of its divisors is an integer number (160670463787914).

Almost surely, 2^{321340927575827} is an apocalyptic number.

321340927575827 is a deficient number, since it is larger than the sum of its proper divisors (1).

321340927575827 is an equidigital number, since it uses as much as digits as its factorization.

321340927575827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 177811200, while the sum is 65.

The spelling of 321340927575827 in words is "three hundred twenty-one trillion, three hundred forty billion, nine hundred twenty-seven million, five hundred seventy-five thousand, eight hundred twenty-seven".