27128071302227 has 64 divisors (see below), whose sum is σ = 35042216785920. Its totient is φ = 20440889892864.

The previous prime is 27128071302223. The next prime is 27128071302259. The reversal of 27128071302227 is 72220317082172.

It is not a de Polignac number, because 27128071302227 - 2² = 27128071302223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27128071302221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 434553338 + ... + 434615760.

It is an arithmetic number, because the mean of its divisors is an integer number (547534637280).

Almost surely, 2^{27128071302227} is an apocalyptic number.

27128071302227 is a deficient number, since it is larger than the sum of its proper divisors (7914145483693).

27128071302227 is a wasteful number, since it uses less digits than its factorization.

27128071302227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65172.

The product of its (nonzero) digits is 263424, while the sum is 44.

Adding to 27128071302227 its reverse (72220317082172), we get a palindrome (99348388384399).

The spelling of 27128071302227 in words is "twenty-seven trillion, one hundred twenty-eight billion, seventy-one million, three hundred two thousand, two hundred twenty-seven".