80768659 has 2 divisors, whose sum is σ = 80768660. Its totient is φ = 80768658.

The previous prime is 80768599. The next prime is 80768687. The reversal of 80768659 is 95686708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80768659 - 2¹¹ = 80766611 is a prime.

It is not a weakly prime, because it can be changed into another prime (80768689) 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, 40384329 + 40384330.

It is an arithmetic number, because the mean of its divisors is an integer number (40384330).

Almost surely, 2^80768659 is an apocalyptic number.

80768659 is a deficient number, since it is larger than the sum of its proper divisors (1).

80768659 is an equidigital number, since it uses as much as digits as its factorization.

80768659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 80768659 is about 8987.1385323695. The cubic root of 80768659 is about 432.2625629368.

The spelling of 80768659 in words is "eighty million, seven hundred sixty-eight thousand, six hundred fifty-nine".