80043959 has 2 divisors, whose sum is σ = 80043960. Its totient is φ = 80043958.

The previous prime is 80043949. The next prime is 80043983. The reversal of 80043959 is 95934008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80043959 - 2¹² = 80039863 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 (80043919) 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, 40021979 + 40021980.

It is an arithmetic number, because the mean of its divisors is an integer number (40021980).

Almost surely, 2^80043959 is an apocalyptic number.

80043959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80043959 is an equidigital number, since it uses as much as digits as its factorization.

80043959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 80043959 is about 8946.7289553222. The cubic root of 80043959 is about 430.9658458840.

The spelling of 80043959 in words is "eighty million, forty-three thousand, nine hundred fifty-nine".