8479988539 has 4 divisors (see below), whose sum is σ = 9250896600. Its totient is φ = 7709080480.

The previous prime is 8479988507. The next prime is 8479988557. The reversal of 8479988539 is 9358899748.

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

It is a cyclic number.

It is not a de Polignac number, because 8479988539 - 2⁵ = 8479988507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8479988039) 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, 385454014 + ... + 385454035.

It is an arithmetic number, because the mean of its divisors is an integer number (2312724150).

Almost surely, 2^8479988539 is an apocalyptic number.

8479988539 is a deficient number, since it is larger than the sum of its proper divisors (770908061).

8479988539 is a wasteful number, since it uses less digits than its factorization.

8479988539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770908060.

The product of its digits is 156764160, while the sum is 70.

The square root of 8479988539 is about 92086.8532364963. The cubic root of 8479988539 is about 2039.2247261504.

The spelling of 8479988539 in words is "eight billion, four hundred seventy-nine million, nine hundred eighty-eight thousand, five hundred thirty-nine".