327321427261 has 8 divisors (see below), whose sum is σ = 328902015960. Its totient is φ = 325743991872.

The previous prime is 327321427253. The next prime is 327321427267. The reversal of 327321427261 is 162724123723.

It can be written as a sum of positive squares in 4 ways, for example, as 111927048025 + 215394379236 = 334555^2 + 464106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 327321427261 - 2³ = 327321427253 is a prime.

It is a super-2 number, since 2×327321427261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327321427267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580090 + ... + 995563.

It is an arithmetic number, because the mean of its divisors is an integer number (41112751995).

Almost surely, 2^327321427261 is an apocalyptic number.

It is an amenable number.

327321427261 is a deficient number, since it is larger than the sum of its proper divisors (1580588699).

327321427261 is a wasteful number, since it uses less digits than its factorization.

327321427261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576655.

The product of its digits is 169344, while the sum is 40.

The spelling of 327321427261 in words is "three hundred twenty-seven billion, three hundred twenty-one million, four hundred twenty-seven thousand, two hundred sixty-one".