478775137232 has 60 divisors (see below), whose sum is σ = 1094274488736. Its totient is φ = 202299330240.

The previous prime is 478775137117. The next prime is 478775137237. The reversal of 478775137232 is 232731577874.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478775137237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4244918 + ... + 4356245.

Almost surely, 2^478775137232 is an apocalyptic number.

It is an amenable number.

478775137232 is an abundant number, since it is smaller than the sum of its proper divisors (615499351504).

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

478775137232 is a wasteful number, since it uses less digits than its factorization.

478775137232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601256 (or 8601243 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 56.

The spelling of 478775137232 in words is "four hundred seventy-eight billion, seven hundred seventy-five million, one hundred thirty-seven thousand, two hundred thirty-two".