27175672243 has 2 divisors, whose sum is σ = 27175672244. Its totient is φ = 27175672242.

The previous prime is 27175672219. The next prime is 27175672247. The reversal of 27175672243 is 34227657172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27175672243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27175672193 and 27175672202.

It is not a weakly prime, because it can be changed into another prime (27175672247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13587836121 + 13587836122.

It is an arithmetic number, because the mean of its divisors is an integer number (13587836122).

Almost surely, 2^27175672243 is an apocalyptic number.

27175672243 is a deficient number, since it is larger than the sum of its proper divisors (1).

27175672243 is an equidigital number, since it uses as much as digits as its factorization.

27175672243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 46.

The spelling of 27175672243 in words is "twenty-seven billion, one hundred seventy-five million, six hundred seventy-two thousand, two hundred forty-three".