80327671 has 2 divisors, whose sum is σ = 80327672. Its totient is φ = 80327670.

The previous prime is 80327647. The next prime is 80327677. The reversal of 80327671 is 17672308.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80327671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80327677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40163835 + 40163836.

It is an arithmetic number, because the mean of its divisors is an integer number (40163836).

Almost surely, 2^80327671 is an apocalyptic number.

80327671 is a deficient number, since it is larger than the sum of its proper divisors (1).

80327671 is an equidigital number, since it uses as much as digits as its factorization.

80327671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 80327671 is about 8962.5705576023. The cubic root of 80327671 is about 431.4744247828.

Adding to 80327671 its reverse (17672308), we get a palindrome (97999979).

The spelling of 80327671 in words is "eighty million, three hundred twenty-seven thousand, six hundred seventy-one".