80805259 has 2 divisors, whose sum is σ = 80805260. Its totient is φ = 80805258.

The previous prime is 80805253. The next prime is 80805289. The reversal of 80805259 is 95250808.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80805259 - 2¹¹ = 80803211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80805253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40402629 + 40402630.

It is an arithmetic number, because the mean of its divisors is an integer number (40402630).

Almost surely, 2^80805259 is an apocalyptic number.

80805259 is a deficient number, since it is larger than the sum of its proper divisors (1).

80805259 is an equidigital number, since it uses as much as digits as its factorization.

80805259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 80805259 is about 8989.1745449735. The cubic root of 80805259 is about 432.3278457701.

The spelling of 80805259 in words is "eighty million, eight hundred five thousand, two hundred fifty-nine".