428824775888 has 10 divisors (see below), whose sum is σ = 830848003314. Its totient is φ = 214412387936.

The previous prime is 428824775887. The next prime is 428824775903. The reversal of 428824775888 is 888577428824.

It can be written as a sum of positive squares in only one way, i.e., 418981754944 + 9843020944 = 647288^2 + 99212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428824775887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13400774231 + ... + 13400774262.

Almost surely, 2^428824775888 is an apocalyptic number.

It is an amenable number.

428824775888 is a deficient number, since it is larger than the sum of its proper divisors (402023227426).

428824775888 is a wasteful number, since it uses less digits than its factorization.

428824775888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26801548501 (or 26801548495 counting only the distinct ones).

The product of its digits is 513802240, while the sum is 71.

The spelling of 428824775888 in words is "four hundred twenty-eight billion, eight hundred twenty-four million, seven hundred seventy-five thousand, eight hundred eighty-eight".