8078859 has 20 divisors (see below), whose sum is σ = 12780504. Its totient is φ = 5068224.

The previous prime is 8078831. The next prime is 8078867. The reversal of 8078859 is 9588708.

8078859 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8078859 - 2⁵ = 8078827 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8078899) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1557 + ... + 4310.

Almost surely, 2^8078859 is an apocalyptic number.

8078859 is a deficient number, since it is larger than the sum of its proper divisors (4701645).

8078859 is a wasteful number, since it uses less digits than its factorization.

8078859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 8078859 is about 2842.3333724248. Note that the first 4 decimals coincide. The cubic root of 8078859 is about 200.6550107957.

The spelling of 8078859 in words is "eight million, seventy-eight thousand, eight hundred fifty-nine".