80329439 has 4 divisors (see below), whose sum is σ = 82038624. Its totient is φ = 78620256.

The previous prime is 80329427. The next prime is 80329451. The reversal of 80329439 is 93492308.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80329427) and next prime (80329451).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80329439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80329489) 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 in 3 ways as a sum of consecutive naturals, for example, 854522 + ... + 854615.

It is an arithmetic number, because the mean of its divisors is an integer number (20509656).

Almost surely, 2^80329439 is an apocalyptic number.

80329439 is a deficient number, since it is larger than the sum of its proper divisors (1709185).

80329439 is a wasteful number, since it uses less digits than its factorization.

80329439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709184.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 80329439 is about 8962.6691894770. The cubic root of 80329439 is about 431.4775903220.

It can be divided in two parts, 8032 and 9439, that added together give a palindrome (17471).

The spelling of 80329439 in words is "eighty million, three hundred twenty-nine thousand, four hundred thirty-nine".