327725663 has 2 divisors, whose sum is σ = 327725664. Its totient is φ = 327725662.

The previous prime is 327725639. The next prime is 327725683. The reversal of 327725663 is 366527723.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 327725663 - 2¹² = 327721567 is a prime.

It is a super-2 number, since 2×327725663² = 214808220377579138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 327725663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327725683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163862831 + 163862832.

It is an arithmetic number, because the mean of its divisors is an integer number (163862832).

Almost surely, 2^327725663 is an apocalyptic number.

327725663 is a deficient number, since it is larger than the sum of its proper divisors (1).

327725663 is an equidigital number, since it uses as much as digits as its factorization.

327725663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 41.

The square root of 327725663 is about 18103.1948285379. The cubic root of 327725663 is about 689.4511233954.

The spelling of 327725663 in words is "three hundred twenty-seven million, seven hundred twenty-five thousand, six hundred sixty-three".