828080668 has 24 divisors (see below), whose sum is σ = 1472446080. Its totient is φ = 407405040.

The previous prime is 828080663. The next prime is 828080681. The reversal of 828080668 is 866080828.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828080663) by changing a digit.

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, 157303 + ... + 162481.

It is an arithmetic number, because the mean of its divisors is an integer number (61351920).

Almost surely, 2^828080668 is an apocalyptic number.

It is an amenable number.

828080668 is a deficient number, since it is larger than the sum of its proper divisors (644365412).

828080668 is a wasteful number, since it uses less digits than its factorization.

828080668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 828080668 is about 28776.3908091338. The cubic root of 828080668 is about 939.0546811584.

The spelling of 828080668 in words is "eight hundred twenty-eight million, eighty thousand, six hundred sixty-eight".