27610886671 has 2 divisors, whose sum is σ = 27610886672. Its totient is φ = 27610886670.

The previous prime is 27610886669. The next prime is 27610886741. The reversal of 27610886671 is 17668801672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27610886671 - 2¹ = 27610886669 is a prime.

It is a super-2 number, since 2×27610886671² (a number of 22 digits) contains 22 as substring.

Together with 27610886669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27610886071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805443335 + 13805443336.

It is an arithmetic number, because the mean of its divisors is an integer number (13805443336).

Almost surely, 2^27610886671 is an apocalyptic number.

27610886671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27610886671 is an equidigital number, since it uses as much as digits as its factorization.

27610886671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 27610886671 in words is "twenty-seven billion, six hundred ten million, eight hundred eighty-six thousand, six hundred seventy-one".