27053206378873 has 2 divisors, whose sum is σ = 27053206378874. Its totient is φ = 27053206378872.

The previous prime is 27053206378859. The next prime is 27053206378903. The reversal of 27053206378873 is 37887360235072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19530106426944 + 7523099951929 = 4419288^2 + 2742827^2 .

It is a cyclic number.

It is not a de Polignac number, because 27053206378873 - 2⁵ = 27053206378841 is a prime.

It is not a weakly prime, because it can be changed into another prime (27053206378973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13526603189436 + 13526603189437.

It is an arithmetic number, because the mean of its divisors is an integer number (13526603189437).

Almost surely, 2^{27053206378873} is an apocalyptic number.

It is an amenable number.

27053206378873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27053206378873 is an equidigital number, since it uses as much as digits as its factorization.

27053206378873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 27053206378873 in words is "twenty-seven trillion, fifty-three billion, two hundred six million, three hundred seventy-eight thousand, eight hundred seventy-three".