328478827 has 2 divisors, whose sum is σ = 328478828. Its totient is φ = 328478826.

The previous prime is 328478779. The next prime is 328478833. The reversal of 328478827 is 728874823.

It is a strong prime.

It is an emirp because it is prime and its reverse (728874823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328478827 - 2¹¹ = 328476779 is a prime.

It is not a weakly prime, because it can be changed into another prime (328478837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164239413 + 164239414.

It is an arithmetic number, because the mean of its divisors is an integer number (164239414).

Almost surely, 2^328478827 is an apocalyptic number.

328478827 is a deficient number, since it is larger than the sum of its proper divisors (1).

328478827 is an equidigital number, since it uses as much as digits as its factorization.

328478827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 49.

The square root of 328478827 is about 18123.9848543305. The cubic root of 328478827 is about 689.9788742394.

The spelling of 328478827 in words is "three hundred twenty-eight million, four hundred seventy-eight thousand, eight hundred twenty-seven".