80832139 has 2 divisors, whose sum is σ = 80832140. Its totient is φ = 80832138.

The previous prime is 80832133. The next prime is 80832181. The reversal of 80832139 is 93123808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80832139 - 2⁵ = 80832107 is a prime.

It is not a weakly prime, because it can be changed into another prime (80832133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40416069 + 40416070.

It is an arithmetic number, because the mean of its divisors is an integer number (40416070).

Almost surely, 2^80832139 is an apocalyptic number.

80832139 is a deficient number, since it is larger than the sum of its proper divisors (1).

80832139 is an equidigital number, since it uses as much as digits as its factorization.

80832139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80832139 is about 8990.6695523748. The cubic root of 80832139 is about 432.3757786410.

The spelling of 80832139 in words is "eighty million, eight hundred thirty-two thousand, one hundred thirty-nine".