80340671 has 2 divisors, whose sum is σ = 80340672. Its totient is φ = 80340670.

The previous prime is 80340647. The next prime is 80340677. The reversal of 80340671 is 17604308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80340671 - 2¹⁰ = 80339647 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 (80340677) 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, 40170335 + 40170336.

It is an arithmetic number, because the mean of its divisors is an integer number (40170336).

Almost surely, 2^80340671 is an apocalyptic number.

80340671 is a deficient number, since it is larger than the sum of its proper divisors (1).

80340671 is an equidigital number, since it uses as much as digits as its factorization.

80340671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 80340671 is about 8963.2957666251. The cubic root of 80340671 is about 431.4976997219.

Adding to 80340671 its reverse (17604308), we get a palindrome (97944979).

The spelling of 80340671 in words is "eighty million, three hundred forty thousand, six hundred seventy-one".