27538012823 has 2 divisors, whose sum is σ = 27538012824. Its totient is φ = 27538012822.

The previous prime is 27538012787. The next prime is 27538012847. The reversal of 27538012823 is 32821083572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27538012823 - 2¹⁶ = 27537947287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27538012883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13769006411 + 13769006412.

It is an arithmetic number, because the mean of its divisors is an integer number (13769006412).

Almost surely, 2^27538012823 is an apocalyptic number.

27538012823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27538012823 is an equidigital number, since it uses as much as digits as its factorization.

27538012823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 27538012823 in words is "twenty-seven billion, five hundred thirty-eight million, twelve thousand, eight hundred twenty-three".