27610561361671 has 2 divisors, whose sum is σ = 27610561361672. Its totient is φ = 27610561361670.

The previous prime is 27610561361659. The next prime is 27610561361681. The reversal of 27610561361671 is 17616316501672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27610561361671 - 2³⁵ = 27576201623303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27610561361681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805280680835 + 13805280680836.

It is an arithmetic number, because the mean of its divisors is an integer number (13805280680836).

Almost surely, 2^{27610561361671} is an apocalyptic number.

27610561361671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27610561361671 is an equidigital number, since it uses as much as digits as its factorization.

27610561361671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 27610561361671 in words is "twenty-seven trillion, six hundred ten billion, five hundred sixty-one million, three hundred sixty-one thousand, six hundred seventy-one".