27275457273 has 16 divisors (see below), whose sum is σ = 37134590016. Its totient is φ = 17803618560.

The previous prime is 27275457233. The next prime is 27275457299. The reversal of 27275457273 is 37275457272.

It is not a de Polignac number, because 27275457273 - 2⁸ = 27275457017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27275457233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424543 + ... + 484548.

It is an arithmetic number, because the mean of its divisors is an integer number (2320911876).

Almost surely, 2^27275457273 is an apocalyptic number.

It is an amenable number.

27275457273 is a deficient number, since it is larger than the sum of its proper divisors (9859132743).

27275457273 is a wasteful number, since it uses less digits than its factorization.

27275457273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909304.

The product of its digits is 5762400, while the sum is 51.

Subtracting 27275457273 from its reverse (37275457272), we obtain a palindrome (9999999999).

The spelling of 27275457273 in words is "twenty-seven billion, two hundred seventy-five million, four hundred fifty-seven thousand, two hundred seventy-three".