27137257127 has 4 divisors (see below), whose sum is σ = 27183488136. Its totient is φ = 27091026120.

The previous prime is 27137257117. The next prime is 27137257141. The reversal of 27137257127 is 72175273172.

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 27137257127 - 2²⁰ = 27136208551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27137257117) 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, 23114624 + ... + 23115797.

It is an arithmetic number, because the mean of its divisors is an integer number (6795872034).

Almost surely, 2^27137257127 is an apocalyptic number.

27137257127 is a deficient number, since it is larger than the sum of its proper divisors (46231009).

27137257127 is an equidigital number, since it uses as much as digits as its factorization.

27137257127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46231008.

The product of its digits is 288120, while the sum is 44.

The spelling of 27137257127 in words is "twenty-seven billion, one hundred thirty-seven million, two hundred fifty-seven thousand, one hundred twenty-seven".