478739574871 has 16 divisors (see below), whose sum is σ = 509698298304. Its totient is φ = 448096425984.

The previous prime is 478739574839. The next prime is 478739574881. The reversal of 478739574871 is 178475937874.

It is a cyclic number.

It is not a de Polignac number, because 478739574871 - 2⁵ = 478739574839 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 478739574871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478739574881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3186475 + ... + 3333331.

It is an arithmetic number, because the mean of its divisors is an integer number (31856143644).

Almost surely, 2^478739574871 is an apocalyptic number.

478739574871 is a deficient number, since it is larger than the sum of its proper divisors (30958723433).

478739574871 is a wasteful number, since it uses less digits than its factorization.

478739574871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147930.

The product of its digits is 331914240, while the sum is 70.

The spelling of 478739574871 in words is "four hundred seventy-eight billion, seven hundred thirty-nine million, five hundred seventy-four thousand, eight hundred seventy-one".