17478272027 has 2 divisors, whose sum is σ = 17478272028. Its totient is φ = 17478272026.

The previous prime is 17478272017. The next prime is 17478272029. The reversal of 17478272027 is 72027287471.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17478272027 - 2¹⁰ = 17478271003 is a prime.

Together with 17478272029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17478272029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8739136013 + 8739136014.

It is an arithmetic number, because the mean of its divisors is an integer number (8739136014).

Almost surely, 2^17478272027 is an apocalyptic number.

17478272027 is a deficient number, since it is larger than the sum of its proper divisors (1).

17478272027 is an equidigital number, since it uses as much as digits as its factorization.

17478272027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 614656, while the sum is 47.

The spelling of 17478272027 in words is "seventeen billion, four hundred seventy-eight million, two hundred seventy-two thousand, twenty-seven".