8538878839 has 4 divisors (see below), whose sum is σ = 8655849856. Its totient is φ = 8421907824.

The previous prime is 8538878807. The next prime is 8538878879. The reversal of 8538878839 is 9388788358.

8538878839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8538878839 - 2⁵ = 8538878807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538878879) 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, 58485399 + ... + 58485544.

It is an arithmetic number, because the mean of its divisors is an integer number (2163962464).

Almost surely, 2^8538878839 is an apocalyptic number.

8538878839 is a deficient number, since it is larger than the sum of its proper divisors (116971017).

8538878839 is a wasteful number, since it uses less digits than its factorization.

8538878839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116971016.

The product of its digits is 92897280, while the sum is 67.

The square root of 8538878839 is about 92406.0541252574. The cubic root of 8538878839 is about 2043.9343877457.

The spelling of 8538878839 in words is "eight billion, five hundred thirty-eight million, eight hundred seventy-eight thousand, eight hundred thirty-nine".