27731482327 has 2 divisors, whose sum is σ = 27731482328. Its totient is φ = 27731482326.

The previous prime is 27731482279. The next prime is 27731482381. The reversal of 27731482327 is 72328413772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27731482327 - 2²³ = 27723093719 is a prime.

It is a super-2 number, since 2×27731482327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27731482397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13865741163 + 13865741164.

It is an arithmetic number, because the mean of its divisors is an integer number (13865741164).

Almost surely, 2^27731482327 is an apocalyptic number.

27731482327 is a deficient number, since it is larger than the sum of its proper divisors (1).

27731482327 is an equidigital number, since it uses as much as digits as its factorization.

27731482327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 46.

The spelling of 27731482327 in words is "twenty-seven billion, seven hundred thirty-one million, four hundred eighty-two thousand, three hundred twenty-seven".