8478549059 has 4 divisors (see below), whose sum is σ = 8487105600. Its totient is φ = 8469992520.

The previous prime is 8478549031. The next prime is 8478549061. The reversal of 8478549059 is 9509458748.

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-8478549059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8478548989 and 8478549007.

It is not an unprimeable number, because it can be changed into a prime (8478519059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276784 + ... + 4278765.

It is an arithmetic number, because the mean of its divisors is an integer number (2121776400).

Almost surely, 2^8478549059 is an apocalyptic number.

8478549059 is a deficient number, since it is larger than the sum of its proper divisors (8556541).

8478549059 is an equidigital number, since it uses as much as digits as its factorization.

8478549059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556540.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The square root of 8478549059 is about 92079.0370225493. The cubic root of 8478549059 is about 2039.1093333325.

The spelling of 8478549059 in words is "eight billion, four hundred seventy-eight million, five hundred forty-nine thousand, fifty-nine".