428801662768 has 40 divisors (see below), whose sum is σ = 833163425120. Its totient is φ = 213792099840.

The previous prime is 428801662763. The next prime is 428801662789. The reversal of 428801662768 is 867266108824.

It is not an unprimeable number, because it can be changed into a prime (428801662763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23931733 + ... + 23949643.

It is an arithmetic number, because the mean of its divisors is an integer number (20829085628).

Almost surely, 2^428801662768 is an apocalyptic number.

It is an amenable number.

428801662768 is a deficient number, since it is larger than the sum of its proper divisors (404361762352).

428801662768 is a wasteful number, since it uses less digits than its factorization.

428801662768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085 (or 22079 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 428801662768 in words is "four hundred twenty-eight billion, eight hundred one million, six hundred sixty-two thousand, seven hundred sixty-eight".