27831309027047 has 2 divisors, whose sum is σ = 27831309027048. Its totient is φ = 27831309027046.

The previous prime is 27831309026981. The next prime is 27831309027133. The reversal of 27831309027047 is 74072090313872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27831309027047 - 2²⁸ = 27831040591591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27831309027047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27831309027547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13915654513523 + 13915654513524.

It is an arithmetic number, because the mean of its divisors is an integer number (13915654513524).

Almost surely, 2^{27831309027047} is an apocalyptic number.

27831309027047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27831309027047 is an equidigital number, since it uses as much as digits as its factorization.

27831309027047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 27831309027047 in words is "twenty-seven trillion, eight hundred thirty-one billion, three hundred nine million, twenty-seven thousand, forty-seven".