4879438859 has 4 divisors (see below), whose sum is σ = 4882903320. Its totient is φ = 4875974400.

The previous prime is 4879438847. The next prime is 4879438897. The reversal of 4879438859 is 9588349784.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4879438859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4879438795 and 4879438804.

It is not an unprimeable number, because it can be changed into a prime (4879438259) 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, 1730117 + ... + 1732934.

It is an arithmetic number, because the mean of its divisors is an integer number (1220725830).

Almost surely, 2^4879438859 is an apocalyptic number.

4879438859 is a deficient number, since it is larger than the sum of its proper divisors (3464461).

4879438859 is a wasteful number, since it uses less digits than its factorization.

4879438859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464460.

The product of its digits is 69672960, while the sum is 65.

The square root of 4879438859 is about 69852.9803158033. The cubic root of 4879438859 is about 1696.1202016079.

The spelling of 4879438859 in words is "four billion, eight hundred seventy-nine million, four hundred thirty-eight thousand, eight hundred fifty-nine".