27884831410873 has 2 divisors, whose sum is σ = 27884831410874. Its totient is φ = 27884831410872.

The previous prime is 27884831410871. The next prime is 27884831410907. The reversal of 27884831410873 is 37801413848872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15803145250489 + 12081686160384 = 3975317^2 + 3475872^2 .

It is a cyclic number.

It is not a de Polignac number, because 27884831410873 - 2¹ = 27884831410871 is a prime.

Together with 27884831410871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27884831410871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13942415705436 + 13942415705437.

It is an arithmetic number, because the mean of its divisors is an integer number (13942415705437).

Almost surely, 2^{27884831410873} is an apocalyptic number.

It is an amenable number.

27884831410873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27884831410873 is an equidigital number, since it uses as much as digits as its factorization.

27884831410873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 27884831410873 in words is "twenty-seven trillion, eight hundred eighty-four billion, eight hundred thirty-one million, four hundred ten thousand, eight hundred seventy-three".