13780707859 has 2 divisors, whose sum is σ = 13780707860. Its totient is φ = 13780707858.

The previous prime is 13780707839. The next prime is 13780707901. The reversal of 13780707859 is 95870708731.

It is a happy number.

13780707859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13780707859 - 2²³ = 13772319251 is a prime.

It is not a weakly prime, because it can be changed into another prime (13780707839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6890353929 + 6890353930.

It is an arithmetic number, because the mean of its divisors is an integer number (6890353930).

Almost surely, 2^13780707859 is an apocalyptic number.

13780707859 is a deficient number, since it is larger than the sum of its proper divisors (1).

13780707859 is an equidigital number, since it uses as much as digits as its factorization.

13780707859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 13780707859 in words is "thirteen billion, seven hundred eighty million, seven hundred seven thousand, eight hundred fifty-nine".