27104686608891 has 8 divisors (see below), whose sum is σ = 36648590344704. Its totient is φ = 17815286972840.

The previous prime is 27104686608871. The next prime is 27104686608949. The reversal of 27104686608891 is 19880668640172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27104686608891 - 2¹⁹ = 27104686084603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27104686608871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63626024691 + ... + 63626025116.

It is an arithmetic number, because the mean of its divisors is an integer number (4581073793088).

Almost surely, 2^{27104686608891} is an apocalyptic number.

27104686608891 is a deficient number, since it is larger than the sum of its proper divisors (9543903735813).

27104686608891 is a wasteful number, since it uses less digits than its factorization.

27104686608891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127252049881.

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 27104686608891 in words is "twenty-seven trillion, one hundred four billion, six hundred eighty-six million, six hundred eight thousand, eight hundred ninety-one".