80730659 has 2 divisors, whose sum is σ = 80730660. Its totient is φ = 80730658.

The previous prime is 80730619. The next prime is 80730691. The reversal of 80730659 is 95603708.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80730659 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80730619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40365329 + 40365330.

It is an arithmetic number, because the mean of its divisors is an integer number (40365330).

Almost surely, 2^80730659 is an apocalyptic number.

80730659 is a deficient number, since it is larger than the sum of its proper divisors (1).

80730659 is an equidigital number, since it uses as much as digits as its factorization.

80730659 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 38.

The square root of 80730659 is about 8985.0241513309. The cubic root of 80730659 is about 432.1947620749.

The spelling of 80730659 in words is "eighty million, seven hundred thirty thousand, six hundred fifty-nine".