27838581006671 has 2 divisors, whose sum is σ = 27838581006672. Its totient is φ = 27838581006670.

The previous prime is 27838581006631. The next prime is 27838581006683. The reversal of 27838581006671 is 17660018583872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27838581006671 - 2³⁴ = 27821401137487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27838581006631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919290503335 + 13919290503336.

It is an arithmetic number, because the mean of its divisors is an integer number (13919290503336).

Almost surely, 2^{27838581006671} is an apocalyptic number.

27838581006671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27838581006671 is an equidigital number, since it uses as much as digits as its factorization.

27838581006671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 27838581006671 in words is "twenty-seven trillion, eight hundred thirty-eight billion, five hundred eighty-one million, six thousand, six hundred seventy-one".