428932168784 has 40 divisors (see below), whose sum is σ = 951838745088. Its totient is φ = 183429290880.

The previous prime is 428932168747. The next prime is 428932168787. The reversal of 428932168784 is 487861239824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428932168787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102112 + ... + 4205375.

Almost surely, 2^428932168784 is an apocalyptic number.

It is an amenable number.

428932168784 is an abundant number, since it is smaller than the sum of its proper divisors (522906576304).

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

428932168784 is a wasteful number, since it uses less digits than its factorization.

428932168784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307963 (or 8307957 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 62.

The spelling of 428932168784 in words is "four hundred twenty-eight billion, nine hundred thirty-two million, one hundred sixty-eight thousand, seven hundred eighty-four".