428447768689368 has 64 divisors (see below), whose sum is σ = 1260140496156000. Its totient is φ = 134414986254336.

The previous prime is 428447768689337. The next prime is 428447768689411. The reversal of 428447768689368 is 863986867744824.

428447768689368 is a `hidden beast` number, since 4 + 2 + 8 + 44 + 77 + 68 + 6 + 89 + 368 = 666.

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, 58339834113 + ... + 58339841456.

Almost surely, 2^{428447768689368} is an apocalyptic number.

It is an amenable number.

428447768689368 is an abundant number, since it is smaller than the sum of its proper divisors (831692727466632).

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

428447768689368 is a wasteful number, since it uses less digits than its factorization.

428447768689368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116679675601 (or 116679675591 counting only the distinct ones).

The product of its digits is 149824733184, while the sum is 90.

The spelling of 428447768689368 in words is "four hundred twenty-eight trillion, four hundred forty-seven billion, seven hundred sixty-eight million, six hundred eighty-nine thousand, three hundred sixty-eight".