478146618876 has 24 divisors (see below), whose sum is σ = 1154147011920. Its totient is φ = 153886268032.

The previous prime is 478146618857. The next prime is 478146618919. The reversal of 478146618876 is 678816641874.

It is a super-3 number, since 3×478146618876³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686991921 + ... + 686992616.

It is an arithmetic number, because the mean of its divisors is an integer number (48089458830).

Almost surely, 2^478146618876 is an apocalyptic number.

It is an amenable number.

478146618876 is an abundant number, since it is smaller than the sum of its proper divisors (676000393044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478146618876 is a wasteful number, since it uses less digits than its factorization.

478146618876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373984573 (or 1373984571 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 66.

The spelling of 478146618876 in words is "four hundred seventy-eight billion, one hundred forty-six million, six hundred eighteen thousand, eight hundred seventy-six".