80832439 has 2 divisors, whose sum is σ = 80832440. Its totient is φ = 80832438.

The previous prime is 80832359. The next prime is 80832461. The reversal of 80832439 is 93423808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80832439 - 2²³ = 72443831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80832398 and 80832407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80832139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40416219 + 40416220.

It is an arithmetic number, because the mean of its divisors is an integer number (40416220).

Almost surely, 2^80832439 is an apocalyptic number.

80832439 is a deficient number, since it is larger than the sum of its proper divisors (1).

80832439 is an equidigital number, since it uses as much as digits as its factorization.

80832439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 80832439 is about 8990.6862363226. The cubic root of 80832439 is about 432.3763135461.

The spelling of 80832439 in words is "eighty million, eight hundred thirty-two thousand, four hundred thirty-nine".