327911473 has 2 divisors, whose sum is σ = 327911474. Its totient is φ = 327911472.

The previous prime is 327911429. The next prime is 327911491. The reversal of 327911473 is 374119723.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215296929 + 112614544 = 14673^2 + 10612^2 .

It is an emirp because it is prime and its reverse (374119723) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327911473 is a prime.

It is a super-3 number, since 3×327911473³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (327911413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163955736 + 163955737.

It is an arithmetic number, because the mean of its divisors is an integer number (163955737).

Almost surely, 2^327911473 is an apocalyptic number.

It is an amenable number.

327911473 is a deficient number, since it is larger than the sum of its proper divisors (1).

327911473 is an equidigital number, since it uses as much as digits as its factorization.

327911473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 327911473 is about 18108.3260684139. The cubic root of 327911473 is about 689.5813977117.

The spelling of 327911473 in words is "three hundred twenty-seven million, nine hundred eleven thousand, four hundred seventy-three".