327431825526457 has 2 divisors, whose sum is σ = 327431825526458. Its totient is φ = 327431825526456.

The previous prime is 327431825526433. The next prime is 327431825526583. The reversal of 327431825526457 is 754625528134723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327012104242576 + 419721283881 = 18083476^2 + 647859^2 .

It is a cyclic number.

It is not a de Polignac number, because 327431825526457 - 2¹⁹ = 327431825002169 is a prime.

It is not a weakly prime, because it can be changed into another prime (327431825526257) 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, 163715912763228 + 163715912763229.

It is an arithmetic number, because the mean of its divisors is an integer number (163715912763229).

Almost surely, 2^{327431825526457} is an apocalyptic number.

It is an amenable number.

327431825526457 is a deficient number, since it is larger than the sum of its proper divisors (1).

327431825526457 is an equidigital number, since it uses as much as digits as its factorization.

327431825526457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688000, while the sum is 64.

The spelling of 327431825526457 in words is "three hundred twenty-seven trillion, four hundred thirty-one billion, eight hundred twenty-five million, five hundred twenty-six thousand, four hundred fifty-seven".