8056478839 has 4 divisors (see below), whose sum is σ = 8243838856. Its totient is φ = 7869118824.

The previous prime is 8056478831. The next prime is 8056478861. The reversal of 8056478839 is 9388746508.

8056478839 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 8056478839 - 2³ = 8056478831 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 (8056478831) 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, 93679944 + ... + 93680029.

It is an arithmetic number, because the mean of its divisors is an integer number (2060959714).

Almost surely, 2^8056478839 is an apocalyptic number.

8056478839 is a deficient number, since it is larger than the sum of its proper divisors (187360017).

8056478839 is a wasteful number, since it uses less digits than its factorization.

8056478839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187360016.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The square root of 8056478839 is about 89757.8901211476. The cubic root of 8056478839 is about 2004.6955372543.

The spelling of 8056478839 in words is "eight billion, fifty-six million, four hundred seventy-eight thousand, eight hundred thirty-nine".