27116866927 has 4 divisors (see below), whose sum is σ = 27245383096. Its totient is φ = 26988350760.

The previous prime is 27116866897. The next prime is 27116866943. The reversal of 27116866927 is 72966861172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27116866927 - 2¹⁹ = 27116342639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27116866327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64257768 + ... + 64258189.

It is an arithmetic number, because the mean of its divisors is an integer number (6811345774).

Almost surely, 2^27116866927 is an apocalyptic number.

27116866927 is a deficient number, since it is larger than the sum of its proper divisors (128516169).

27116866927 is a wasteful number, since it uses less digits than its factorization.

27116866927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128516168.

The product of its digits is 3048192, while the sum is 55.

The spelling of 27116866927 in words is "twenty-seven billion, one hundred sixteen million, eight hundred sixty-six thousand, nine hundred twenty-seven".