27726271227 has 24 divisors (see below), whose sum is σ = 44636726160. Its totient is φ = 16481249280.

The previous prime is 27726271213. The next prime is 27726271231. The reversal of 27726271227 is 72217262772.

27726271227 is a `hidden beast` number, since 2 + 7 + 7 + 2 + 627 + 12 + 2 + 7 = 666.

It is not a de Polignac number, because 27726271227 - 2⁶ = 27726271163 is a prime.

It is a super-2 number, since 2×27726271227² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27726271297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4765974 + ... + 4771787.

It is an arithmetic number, because the mean of its divisors is an integer number (1859863590).

Almost surely, 2^27726271227 is an apocalyptic number.

27726271227 is a deficient number, since it is larger than the sum of its proper divisors (16910454933).

27726271227 is a wasteful number, since it uses less digits than its factorization.

27726271227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537803 (or 9537800 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The spelling of 27726271227 in words is "twenty-seven billion, seven hundred twenty-six million, two hundred seventy-one thousand, two hundred twenty-seven".