4878817 has 2 divisors, whose sum is σ = 4878818. Its totient is φ = 4878816.

The previous prime is 4878799. The next prime is 4878821. The reversal of 4878817 is 7188784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 1157776 = 1929^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 4878817 - 2¹⁹ = 4354529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4878827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439408 + 2439409.

It is an arithmetic number, because the mean of its divisors is an integer number (2439409).

Almost surely, 2^4878817 is an apocalyptic number.

It is an amenable number.

4878817 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878817 is an equidigital number, since it uses as much as digits as its factorization.

4878817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 43.

The square root of 4878817 is about 2208.8044277391. The cubic root of 4878817 is about 169.6048144659.

The spelling of 4878817 in words is "four million, eight hundred seventy-eight thousand, eight hundred seventeen".