828782668 has 24 divisors (see below), whose sum is σ = 1691396000. Its totient is φ = 355191984.

The previous prime is 828782653. The next prime is 828782671. The reversal of 828782668 is 866287828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300663 + ... + 303406.

Almost surely, 2^828782668 is an apocalyptic number.

It is an amenable number.

828782668 is an abundant number, since it is smaller than the sum of its proper divisors (862613332).

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

828782668 is a wasteful number, since it uses less digits than its factorization.

828782668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604094 (or 604078 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The square root of 828782668 is about 28788.5857242067. The cubic root of 828782668 is about 939.3199653741.

The spelling of 828782668 in words is "eight hundred twenty-eight million, seven hundred eighty-two thousand, six hundred sixty-eight".