27127653517 has 32 divisors (see below), whose sum is σ = 28531851264. Its totient is φ = 25776273600.

The previous prime is 27127653493. The next prime is 27127653557. The reversal of 27127653517 is 71535672172.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27127653517 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 (27127653557) 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 31 ways as a sum of consecutive naturals, for example, 50143267 + ... + 50143807.

It is an arithmetic number, because the mean of its divisors is an integer number (891620352).

Almost surely, 2^27127653517 is an apocalyptic number.

It is an amenable number.

27127653517 is a deficient number, since it is larger than the sum of its proper divisors (1404197747).

27127653517 is a wasteful number, since it uses less digits than its factorization.

27127653517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 617400, while the sum is 46.

The spelling of 27127653517 in words is "twenty-seven billion, one hundred twenty-seven million, six hundred fifty-three thousand, five hundred seventeen".