27668122627 has 4 divisors (see below), whose sum is σ = 27833800176. Its totient is φ = 27502445080.

The previous prime is 27668122621. The next prime is 27668122637. The reversal of 27668122627 is 72622186672.

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 27668122627 - 2²⁷ = 27533904899 is a prime.

It is a super-2 number, since 2×27668122627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27668122621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82838524 + ... + 82838857.

It is an arithmetic number, because the mean of its divisors is an integer number (6958450044).

Almost surely, 2^27668122627 is an apocalyptic number.

27668122627 is a deficient number, since it is larger than the sum of its proper divisors (165677549).

27668122627 is a wasteful number, since it uses less digits than its factorization.

27668122627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165677548.

The product of its digits is 1354752, while the sum is 49.

The spelling of 27668122627 in words is "twenty-seven billion, six hundred sixty-eight million, one hundred twenty-two thousand, six hundred twenty-seven".