28027561311859 has 2 divisors, whose sum is σ = 28027561311860. Its totient is φ = 28027561311858.

The previous prime is 28027561311851. The next prime is 28027561311881. The reversal of 28027561311859 is 95811316572082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28027561311859 - 2³ = 28027561311851 is a prime.

It is not a weakly prime, because it can be changed into another prime (28027561311851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013780655929 + 14013780655930.

It is an arithmetic number, because the mean of its divisors is an integer number (14013780655930).

Almost surely, 2^{28027561311859} is an apocalyptic number.

28027561311859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28027561311859 is an equidigital number, since it uses as much as digits as its factorization.

28027561311859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 28027561311859 in words is "twenty-eight trillion, twenty-seven billion, five hundred sixty-one million, three hundred eleven thousand, eight hundred fifty-nine".