4878666853 has 2 divisors, whose sum is σ = 4878666854. Its totient is φ = 4878666852.

The previous prime is 4878666847. The next prime is 4878666889. The reversal of 4878666853 is 3586668784.

4878666853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4543703649 + 334963204 = 67407^2 + 18302^2 .

It is a cyclic number.

It is not a de Polignac number, because 4878666853 - 2²¹ = 4876569701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4878666791 and 4878666800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4878666823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439333426 + 2439333427.

It is an arithmetic number, because the mean of its divisors is an integer number (2439333427).

Almost surely, 2^4878666853 is an apocalyptic number.

It is an amenable number.

4878666853 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878666853 is an equidigital number, since it uses as much as digits as its factorization.

4878666853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46448640, while the sum is 61.

The square root of 4878666853 is about 69847.4541626250. The cubic root of 4878666853 is about 1696.0307456907.

The spelling of 4878666853 in words is "four billion, eight hundred seventy-eight million, six hundred sixty-six thousand, eight hundred fifty-three".