27256322271 has 4 divisors (see below), whose sum is σ = 36341763032. Its totient is φ = 18170881512.

The previous prime is 27256322167. The next prime is 27256322311. The reversal of 27256322271 is 17222365272.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27256322271 - 2¹⁵ = 27256289503 is a prime.

It is a super-2 number, since 2×27256322271² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27256321271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542720376 + ... + 4542720381.

It is an arithmetic number, because the mean of its divisors is an integer number (9085440758).

Almost surely, 2^27256322271 is an apocalyptic number.

27256322271 is a deficient number, since it is larger than the sum of its proper divisors (9085440761).

27256322271 is an equidigital number, since it uses as much as digits as its factorization.

27256322271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085440760.

The product of its digits is 141120, while the sum is 39.

The spelling of 27256322271 in words is "twenty-seven billion, two hundred fifty-six million, three hundred twenty-two thousand, two hundred seventy-one".