428798976532668 has 288 divisors, whose sum is σ = 1382566209722880. Its totient is φ = 112494912583680.

The previous prime is 428798976532637. The next prime is 428798976532687. The reversal of 428798976532668 is 866235679897824.

428798976532668 is a `hidden beast` number, since 4 + 2 + 8 + 7 + 9 + 8 + 9 + 7 + 6 + 532 + 6 + 68 = 666.

It is a Smith number, since the sum of its digits (90) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14976430 + ... + 32892117.

Almost surely, 2^{428798976532668} is an apocalyptic number.

It is an amenable number.

428798976532668 is an abundant number, since it is smaller than the sum of its proper divisors (953767233190212).

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

428798976532668 is a wasteful number, since it uses less digits than its factorization.

428798976532668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47868642 (or 47868617 counting only the distinct ones).

The product of its digits is 105345515520, while the sum is 90.

The spelling of 428798976532668 in words is "four hundred twenty-eight trillion, seven hundred ninety-eight billion, nine hundred seventy-six million, five hundred thirty-two thousand, six hundred sixty-eight".