27018056839 has 2 divisors, whose sum is σ = 27018056840. Its totient is φ = 27018056838.

The previous prime is 27018056797. The next prime is 27018056843. The reversal of 27018056839 is 93865081072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27018056839 - 2¹⁵ = 27018024071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27018056792 and 27018056801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27018056899) 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, 13509028419 + 13509028420.

It is an arithmetic number, because the mean of its divisors is an integer number (13509028420).

Almost surely, 2^27018056839 is an apocalyptic number.

27018056839 is a deficient number, since it is larger than the sum of its proper divisors (1).

27018056839 is an equidigital number, since it uses as much as digits as its factorization.

27018056839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 27018056839 in words is "twenty-seven billion, eighteen million, fifty-six thousand, eight hundred thirty-nine".