80327647 has 2 divisors, whose sum is σ = 80327648. Its totient is φ = 80327646.

The previous prime is 80327641. The next prime is 80327671. The reversal of 80327647 is 74672308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80327647 - 2¹¹ = 80325599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80327641) 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, 40163823 + 40163824.

It is an arithmetic number, because the mean of its divisors is an integer number (40163824).

Almost surely, 2^80327647 is an apocalyptic number.

80327647 is a deficient number, since it is larger than the sum of its proper divisors (1).

80327647 is an equidigital number, since it uses as much as digits as its factorization.

80327647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 80327647 is about 8962.5692187006. The cubic root of 80327647 is about 431.4743818114.

The spelling of 80327647 in words is "eighty million, three hundred twenty-seven thousand, six hundred forty-seven".