80219759 has 2 divisors, whose sum is σ = 80219760. Its totient is φ = 80219758.

The previous prime is 80219747. The next prime is 80219801. The reversal of 80219759 is 95791208.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80219759 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 (80219059) 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, 40109879 + 40109880.

It is an arithmetic number, because the mean of its divisors is an integer number (40109880).

Almost surely, 2^80219759 is an apocalyptic number.

80219759 is a deficient number, since it is larger than the sum of its proper divisors (1).

80219759 is an equidigital number, since it uses as much as digits as its factorization.

80219759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 80219759 is about 8956.5483865159. The cubic root of 80219759 is about 431.2811242957.

The spelling of 80219759 in words is "eighty million, two hundred nineteen thousand, seven hundred fifty-nine".