478291716009 has 48 divisors (see below), whose sum is σ = 745163024320. Its totient is φ = 294648036480.

The previous prime is 478291715999. The next prime is 478291716017. The reversal of 478291716009 is 900617192874.

478291716009 is a `hidden beast` number, since 4 + 7 + 8 + 29 + 1 + 7 + 1 + 600 + 9 = 666.

It is not a de Polignac number, because 478291716009 - 2¹⁷ = 478291584937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478291716109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5345379 + ... + 5434119.

Almost surely, 2^478291716009 is an apocalyptic number.

It is an amenable number.

478291716009 is a deficient number, since it is larger than the sum of its proper divisors (266871308311).

478291716009 is a wasteful number, since it uses less digits than its factorization.

478291716009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89542 (or 89539 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 478291716009 in words is "four hundred seventy-eight billion, two hundred ninety-one million, seven hundred sixteen thousand, nine".