27326667317 has 4 divisors (see below), whose sum is σ = 28268966220. Its totient is φ = 26384368416.

The previous prime is 27326667133. The next prime is 27326667337. The reversal of 27326667317 is 71376662372.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5831002321 + 21495664996 = 76361^2 + 146614^2 .

It is a cyclic number.

It is not a de Polignac number, because 27326667317 - 2⁸ = 27326667061 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 (27326667337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471149408 + ... + 471149465.

It is an arithmetic number, because the mean of its divisors is an integer number (7067241555).

Almost surely, 2^27326667317 is an apocalyptic number.

It is an amenable number.

27326667317 is a deficient number, since it is larger than the sum of its proper divisors (942298903).

27326667317 is an equidigital number, since it uses as much as digits as its factorization.

27326667317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942298902.

The product of its digits is 2667168, while the sum is 50.

The spelling of 27326667317 in words is "twenty-seven billion, three hundred twenty-six million, six hundred sixty-seven thousand, three hundred seventeen".