8478540017 has 8 divisors (see below), whose sum is σ = 8505625920. Its totient is φ = 8451490320.

The previous prime is 8478539981. The next prime is 8478540097. The reversal of 8478540017 is 7100458748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8478540017 - 2²⁸ = 8210104561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8478540017.

It is not an unprimeable number, because it can be changed into a prime (8478540097) 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 7 ways as a sum of consecutive naturals, for example, 505823 + ... + 522315.

It is an arithmetic number, because the mean of its divisors is an integer number (1063203240).

Almost surely, 2^8478540017 is an apocalyptic number.

It is an amenable number.

8478540017 is a deficient number, since it is larger than the sum of its proper divisors (27085903).

8478540017 is a wasteful number, since it uses less digits than its factorization.

8478540017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18103.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 8478540017 is about 92078.9879234128. The cubic root of 8478540017 is about 2039.1086084587.

The spelling of 8478540017 in words is "eight billion, four hundred seventy-eight million, five hundred forty thousand, seventeen".