17712317327 has 4 divisors (see below), whose sum is σ = 18323086920. Its totient is φ = 17101547736.

The previous prime is 17712317321. The next prime is 17712317333. The reversal of 17712317327 is 72371321771.

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

It is an interprime number because it is at equal distance from previous prime (17712317321) and next prime (17712317333).

It is a cyclic number.

It is not a de Polignac number, because 17712317327 - 2¹² = 17712313231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17712317321) 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 in 3 ways as a sum of consecutive naturals, for example, 305384753 + ... + 305384810.

It is an arithmetic number, because the mean of its divisors is an integer number (4580771730).

Almost surely, 2^17712317327 is an apocalyptic number.

17712317327 is a deficient number, since it is larger than the sum of its proper divisors (610769593).

17712317327 is an equidigital number, since it uses as much as digits as its factorization.

17712317327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610769592.

The product of its digits is 86436, while the sum is 41.

The spelling of 17712317327 in words is "seventeen billion, seven hundred twelve million, three hundred seventeen thousand, three hundred twenty-seven".