327997487 has 2 divisors, whose sum is σ = 327997488. Its totient is φ = 327997486.

The previous prime is 327997471. The next prime is 327997547. The reversal of 327997487 is 784799723.

It is a weak prime.

It is an emirp because it is prime and its reverse (784799723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327997487 - 2⁴ = 327997471 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327997987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163998743 + 163998744.

It is an arithmetic number, because the mean of its divisors is an integer number (163998744).

Almost surely, 2^327997487 is an apocalyptic number.

327997487 is a deficient number, since it is larger than the sum of its proper divisors (1).

327997487 is an equidigital number, since it uses as much as digits as its factorization.

327997487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 327997487 is about 18110.7008975357. The cubic root of 327997487 is about 689.6416868180.

The spelling of 327997487 in words is "three hundred twenty-seven million, nine hundred ninety-seven thousand, four hundred eighty-seven".