27657112627 has 4 divisors (see below), whose sum is σ = 27678737920. Its totient is φ = 27635487336.

The previous prime is 27657112601. The next prime is 27657112687. The reversal of 27657112627 is 72621175672.

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 27657112627 - 2²⁷ = 27522894899 is a prime.

It is a super-2 number, since 2×27657112627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (27657112687) 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, 10810728 + ... + 10813285.

It is an arithmetic number, because the mean of its divisors is an integer number (6919684480).

Almost surely, 2^27657112627 is an apocalyptic number.

27657112627 is a deficient number, since it is larger than the sum of its proper divisors (21625293).

27657112627 is a wasteful number, since it uses less digits than its factorization.

27657112627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21625292.

The product of its digits is 493920, while the sum is 46.

The spelling of 27657112627 in words is "twenty-seven billion, six hundred fifty-seven million, one hundred twelve thousand, six hundred twenty-seven".