27667747627 has 48 divisors (see below), whose sum is σ = 32668047360. Its totient is φ = 23347868544.

The previous prime is 27667747577. The next prime is 27667747643. The reversal of 27667747627 is 72674776672.

It is not a de Polignac number, because 27667747627 - 2²³ = 27659359019 is a prime.

It is a super-2 number, since 2×27667747627² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27667747697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11609278 + ... + 11611660.

It is an arithmetic number, because the mean of its divisors is an integer number (680584320).

Almost surely, 2^27667747627 is an apocalyptic number.

27667747627 is a deficient number, since it is larger than the sum of its proper divisors (5000299733).

27667747627 is a wasteful number, since it uses less digits than its factorization.

27667747627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564 (or 2551 counting only the distinct ones).

The product of its digits is 58084992, while the sum is 61.

The spelling of 27667747627 in words is "twenty-seven billion, six hundred sixty-seven million, seven hundred forty-seven thousand, six hundred twenty-seven".