80660759 has 2 divisors, whose sum is σ = 80660760. Its totient is φ = 80660758.

The previous prime is 80660743. The next prime is 80660771. The reversal of 80660759 is 95706608.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80660759 - 2⁴ = 80660743 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 (80660159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40330379 + 40330380.

It is an arithmetic number, because the mean of its divisors is an integer number (40330380).

Almost surely, 2^80660759 is an apocalyptic number.

80660759 is a deficient number, since it is larger than the sum of its proper divisors (1).

80660759 is an equidigital number, since it uses as much as digits as its factorization.

80660759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 80660759 is about 8981.1335030719. The cubic root of 80660759 is about 432.0699885890.

The spelling of 80660759 in words is "eighty million, six hundred sixty thousand, seven hundred fifty-nine".