327081813 has 8 divisors (see below), whose sum is σ = 447895968. Its totient is φ = 212161104.

The previous prime is 327081793. The next prime is 327081851. The reversal of 327081813 is 318180723.

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

It is not a de Polignac number, because 327081813 - 2⁹ = 327081301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327081113) 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, 1473231 + ... + 1473452.

It is an arithmetic number, because the mean of its divisors is an integer number (55986996).

Almost surely, 2^327081813 is an apocalyptic number.

It is an amenable number.

327081813 is a deficient number, since it is larger than the sum of its proper divisors (120814155).

327081813 is a wasteful number, since it uses less digits than its factorization.

327081813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946723.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 327081813 is about 18085.4033131694. The cubic root of 327081813 is about 688.9993287279. Note that the first 3 decimals are identical.

The spelling of 327081813 in words is "three hundred twenty-seven million, eighty-one thousand, eight hundred thirteen".