478108822017 has 4 divisors (see below), whose sum is σ = 637478429360. Its totient is φ = 318739214676.

The previous prime is 478108821979. The next prime is 478108822031. The reversal of 478108822017 is 710228801874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 478108822017 - 2⁷ = 478108821889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478108822117) 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, 79684803667 + ... + 79684803672.

It is an arithmetic number, because the mean of its divisors is an integer number (159369607340).

Almost surely, 2^478108822017 is an apocalyptic number.

It is an amenable number.

478108822017 is a deficient number, since it is larger than the sum of its proper divisors (159369607343).

478108822017 is a wasteful number, since it uses less digits than its factorization.

478108822017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159369607342.

The product of its (nonzero) digits is 401408, while the sum is 48.

The spelling of 478108822017 in words is "four hundred seventy-eight billion, one hundred eight million, eight hundred twenty-two thousand, seventeen".