680071759 has 2 divisors, whose sum is σ = 680071760. Its totient is φ = 680071758.

The previous prime is 680071747. The next prime is 680071771. The reversal of 680071759 is 957170086.

It is a balanced prime because it is at equal distance from previous prime (680071747) and next prime (680071771).

It is a cyclic number.

It is not a de Polignac number, because 680071759 - 2¹¹ = 680069711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689071759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340035879 + 340035880.

It is an arithmetic number, because the mean of its divisors is an integer number (340035880).

Almost surely, 2^680071759 is an apocalyptic number.

680071759 is a deficient number, since it is larger than the sum of its proper divisors (1).

680071759 is an equidigital number, since it uses as much as digits as its factorization.

680071759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 680071759 is about 26078.1855005290. The cubic root of 680071759 is about 879.3968659025.

The spelling of 680071759 in words is "six hundred eighty million, seventy-one thousand, seven hundred fifty-nine".