20876565070859 has 2 divisors, whose sum is σ = 20876565070860. Its totient is φ = 20876565070858.

The previous prime is 20876565070849. The next prime is 20876565070903. The reversal of 20876565070859 is 95807056567802.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20876565070859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20876565070849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10438282535429 + 10438282535430.

It is an arithmetic number, because the mean of its divisors is an integer number (10438282535430).

Almost surely, 2^{20876565070859} is an apocalyptic number.

20876565070859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20876565070859 is an equidigital number, since it uses as much as digits as its factorization.

20876565070859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016000, while the sum is 68.

The spelling of 20876565070859 in words is "twenty trillion, eight hundred seventy-six billion, five hundred sixty-five million, seventy thousand, eight hundred fifty-nine".