3278964476897 has 2 divisors, whose sum is σ = 3278964476898. Its totient is φ = 3278964476896.

The previous prime is 3278964476867. The next prime is 3278964476917. The reversal of 3278964476897 is 7986744698723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3271771910416 + 7192566481 = 1808804^2 + 84809^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278964476897 - 2²⁸ = 3278696041441 is a prime.

It is not a weakly prime, because it can be changed into another prime (3278964476867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639482238448 + 1639482238449.

It is an arithmetic number, because the mean of its divisors is an integer number (1639482238449).

Almost surely, 2^{3278964476897} is an apocalyptic number.

It is an amenable number.

3278964476897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278964476897 is an equidigital number, since it uses as much as digits as its factorization.

3278964476897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6145155072, while the sum is 80.

The spelling of 3278964476897 in words is "three trillion, two hundred seventy-eight billion, nine hundred sixty-four million, four hundred seventy-six thousand, eight hundred ninety-seven".