327273091997 has 2 divisors, whose sum is σ = 327273091998. Its totient is φ = 327273091996.

The previous prime is 327273091991. The next prime is 327273092117. The reversal of 327273091997 is 799190372723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234947661796 + 92325430201 = 484714^2 + 303851^2 .

It is an emirp because it is prime and its reverse (799190372723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327273091997 - 2¹² = 327273087901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327273091991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163636545998 + 163636545999.

It is an arithmetic number, because the mean of its divisors is an integer number (163636545999).

Almost surely, 2^327273091997 is an apocalyptic number.

It is an amenable number.

327273091997 is a deficient number, since it is larger than the sum of its proper divisors (1).

327273091997 is an equidigital number, since it uses as much as digits as its factorization.

327273091997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9001692, while the sum is 59.

The spelling of 327273091997 in words is "three hundred twenty-seven billion, two hundred seventy-three million, ninety-one thousand, nine hundred ninety-seven".