327815482661 has 2 divisors, whose sum is σ = 327815482662. Its totient is φ = 327815482660.

The previous prime is 327815482549. The next prime is 327815482717. The reversal of 327815482661 is 166284518723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312264145636 + 15551337025 = 558806^2 + 124705^2 .

It is a cyclic number.

It is not a de Polignac number, because 327815482661 - 2¹⁸ = 327815220517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327815422661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163907741330 + 163907741331.

It is an arithmetic number, because the mean of its divisors is an integer number (163907741331).

Almost surely, 2^327815482661 is an apocalyptic number.

It is an amenable number.

327815482661 is a deficient number, since it is larger than the sum of its proper divisors (1).

327815482661 is an equidigital number, since it uses as much as digits as its factorization.

327815482661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The spelling of 327815482661 in words is "three hundred twenty-seven billion, eight hundred fifteen million, four hundred eighty-two thousand, six hundred sixty-one".