478457781333 has 24 divisors (see below), whose sum is σ = 743224030560. Its totient is φ = 272989513440.

The previous prime is 478457781299. The next prime is 478457781337. The reversal of 478457781333 is 333187754874.

It is not a de Polignac number, because 478457781333 - 2²⁶ = 478390672469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478457781337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2372638 + ... + 2566383.

It is an arithmetic number, because the mean of its divisors is an integer number (30967667940).

Almost surely, 2^478457781333 is an apocalyptic number.

It is an amenable number.

478457781333 is a deficient number, since it is larger than the sum of its proper divisors (264766249227).

478457781333 is a wasteful number, since it uses less digits than its factorization.

478457781333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939697 (or 4939690 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 478457781333 in words is "four hundred seventy-eight billion, four hundred fifty-seven million, seven hundred eighty-one thousand, three hundred thirty-three".