4878746617 has 2 divisors, whose sum is σ = 4878746618. Its totient is φ = 4878746616.

The previous prime is 4878746599. The next prime is 4878746659. The reversal of 4878746617 is 7166478784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890567696 + 1988178921 = 53764^2 + 44589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4878746617 is a prime.

It is not a weakly prime, because it can be changed into another prime (4878746017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439373308 + 2439373309.

It is an arithmetic number, because the mean of its divisors is an integer number (2439373309).

Almost surely, 2^4878746617 is an apocalyptic number.

It is an amenable number.

4878746617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878746617 is an equidigital number, since it uses as much as digits as its factorization.

4878746617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12644352, while the sum is 58.

The square root of 4878746617 is about 69848.0251474585. The cubic root of 4878746617 is about 1696.0399887526.

The spelling of 4878746617 in words is "four billion, eight hundred seventy-eight million, seven hundred forty-six thousand, six hundred seventeen".