27834608231 has 2 divisors, whose sum is σ = 27834608232. Its totient is φ = 27834608230.

The previous prime is 27834608213. The next prime is 27834608237. The reversal of 27834608231 is 13280643872.

Together with previous prime (27834608213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27834608231 is a prime.

It is a super-2 number, since 2×27834608231² (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 (27834608237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13917304115 + 13917304116.

It is an arithmetic number, because the mean of its divisors is an integer number (13917304116).

Almost surely, 2^27834608231 is an apocalyptic number.

27834608231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27834608231 is an equidigital number, since it uses as much as digits as its factorization.

27834608231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 27834608231 in words is "twenty-seven billion, eight hundred thirty-four million, six hundred eight thousand, two hundred thirty-one".