6866725759 has 2 divisors, whose sum is σ = 6866725760. Its totient is φ = 6866725758.

The previous prime is 6866725729. The next prime is 6866725777. The reversal of 6866725759 is 9575276686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6866725759 - 2⁵ = 6866725727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6866725697 and 6866725706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866725729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433362879 + 3433362880.

It is an arithmetic number, because the mean of its divisors is an integer number (3433362880).

Almost surely, 2^6866725759 is an apocalyptic number.

6866725759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866725759 is an equidigital number, since it uses as much as digits as its factorization.

6866725759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 61.

The square root of 6866725759 is about 82865.7091866111. The cubic root of 6866725759 is about 1900.7130988117.

The spelling of 6866725759 in words is "six billion, eight hundred sixty-six million, seven hundred twenty-five thousand, seven hundred fifty-nine".