327612955519897 has 2 divisors, whose sum is σ = 327612955519898. Its totient is φ = 327612955519896.

The previous prime is 327612955519877. The next prime is 327612955519963. The reversal of 327612955519897 is 798915559216723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254952401938441 + 72660553581456 = 15967229^2 + 8524116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327612955519897 is a prime.

It is not a weakly prime, because it can be changed into another prime (327612955519877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163806477759948 + 163806477759949.

It is an arithmetic number, because the mean of its divisors is an integer number (163806477759949).

Almost surely, 2^{327612955519897} is an apocalyptic number.

It is an amenable number.

327612955519897 is a deficient number, since it is larger than the sum of its proper divisors (1).

327612955519897 is an equidigital number, since it uses as much as digits as its factorization.

327612955519897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912000, while the sum is 79.

The spelling of 327612955519897 in words is "three hundred twenty-seven trillion, six hundred twelve billion, nine hundred fifty-five million, five hundred nineteen thousand, eight hundred ninety-seven".