80263439 has 2 divisors, whose sum is σ = 80263440. Its totient is φ = 80263438.

The previous prime is 80263411. The next prime is 80263453. The reversal of 80263439 is 93436208.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80263439 - 2¹⁶ = 80197903 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80263399 and 80263408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80263459) 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, 40131719 + 40131720.

It is an arithmetic number, because the mean of its divisors is an integer number (40131720).

Almost surely, 2^80263439 is an apocalyptic number.

80263439 is a deficient number, since it is larger than the sum of its proper divisors (1).

80263439 is an equidigital number, since it uses as much as digits as its factorization.

80263439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 80263439 is about 8958.9864940182. The cubic root of 80263439 is about 431.3593882279.

The spelling of 80263439 in words is "eighty million, two hundred sixty-three thousand, four hundred thirty-nine".