478739178744 has 64 divisors (see below), whose sum is σ = 1210752036000. Its totient is φ = 157727201280.

The previous prime is 478739178733. The next prime is 478739178781. The reversal of 478739178744 is 447871937874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5813892 + ... + 5895660.

Almost surely, 2^478739178744 is an apocalyptic number.

It is an amenable number.

478739178744 is an abundant number, since it is smaller than the sum of its proper divisors (732012857256).

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

478739178744 is a wasteful number, since it uses less digits than its factorization.

478739178744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84608 (or 84604 counting only the distinct ones).

The product of its digits is 265531392, while the sum is 69.

The spelling of 478739178744 in words is "four hundred seventy-eight billion, seven hundred thirty-nine million, one hundred seventy-eight thousand, seven hundred forty-four".