327579846661 has 2 divisors, whose sum is σ = 327579846662. Its totient is φ = 327579846660.

The previous prime is 327579846541. The next prime is 327579846677. The reversal of 327579846661 is 166648975723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323526614436 + 4053232225 = 568794^2 + 63665^2 .

It is a cyclic number.

It is not a de Polignac number, because 327579846661 - 2²¹ = 327577749509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 327579846593 and 327579846602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327579846961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163789923330 + 163789923331.

It is an arithmetic number, because the mean of its divisors is an integer number (163789923331).

Almost surely, 2^327579846661 is an apocalyptic number.

It is an amenable number.

327579846661 is a deficient number, since it is larger than the sum of its proper divisors (1).

327579846661 is an equidigital number, since it uses as much as digits as its factorization.

327579846661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 64.

The spelling of 327579846661 in words is "three hundred twenty-seven billion, five hundred seventy-nine million, eight hundred forty-six thousand, six hundred sixty-one".