4878934563 has 4 divisors (see below), whose sum is σ = 6505246088. Its totient is φ = 3252623040.

The previous prime is 4878934561. The next prime is 4878934603. The reversal of 4878934563 is 3654398784.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4878934563 - 2¹ = 4878934561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878934561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813155758 + ... + 813155763.

It is an arithmetic number, because the mean of its divisors is an integer number (1626311522).

Almost surely, 2^4878934563 is an apocalyptic number.

4878934563 is a deficient number, since it is larger than the sum of its proper divisors (1626311525).

4878934563 is a wasteful number, since it uses less digits than its factorization.

4878934563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626311524.

The product of its digits is 17418240, while the sum is 57.

The square root of 4878934563 is about 69849.3705268702. The cubic root of 4878934563 is about 1696.0617675593.

The spelling of 4878934563 in words is "four billion, eight hundred seventy-eight million, nine hundred thirty-four thousand, five hundred sixty-three".