27427024327 has 2 divisors, whose sum is σ = 27427024328. Its totient is φ = 27427024326.

The previous prime is 27427024309. The next prime is 27427024367. The reversal of 27427024327 is 72342072472.

It is an a-pointer prime, because the next prime (27427024367) can be obtained adding 27427024327 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27427024327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27427024327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27427024367) 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, 13713512163 + 13713512164.

It is an arithmetic number, because the mean of its divisors is an integer number (13713512164).

Almost surely, 2^27427024327 is an apocalyptic number.

27427024327 is a deficient number, since it is larger than the sum of its proper divisors (1).

27427024327 is an equidigital number, since it uses as much as digits as its factorization.

27427024327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 40.

Adding to 27427024327 its reverse (72342072472), we get a palindrome (99769096799).

The spelling of 27427024327 in words is "twenty-seven billion, four hundred twenty-seven million, twenty-four thousand, three hundred twenty-seven".