327948791 has 12 divisors (see below), whose sum is σ = 347967984. Its totient is φ = 308884800.

The previous prime is 327948779. The next prime is 327948799. The reversal of 327948791 is 197849723.

It is a de Polignac number, because none of the positive numbers 2^k-327948791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327948799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29726 + ... + 39236.

It is an arithmetic number, because the mean of its divisors is an integer number (28997332).

Almost surely, 2^327948791 is an apocalyptic number.

327948791 is a deficient number, since it is larger than the sum of its proper divisors (20019193).

327948791 is an equidigital number, since it uses as much as digits as its factorization.

327948791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610 (or 9581 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 327948791 is about 18109.3564490845. The cubic root of 327948791 is about 689.6075560142.

The spelling of 327948791 in words is "three hundred twenty-seven million, nine hundred forty-eight thousand, seven hundred ninety-one".