828668836 has 6 divisors (see below), whose sum is σ = 1450170470. Its totient is φ = 414334416.

The previous prime is 828668803. The next prime is 828668849. The reversal of 828668836 is 638866828.

828668836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 761428836 + 67240000 = 27594^2 + 8200^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103583601 + ... + 103583608.

Almost surely, 2^828668836 is an apocalyptic number.

It is an amenable number.

828668836 is a deficient number, since it is larger than the sum of its proper divisors (621501634).

828668836 is a wasteful number, since it uses less digits than its factorization.

828668836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207167213 (or 207167211 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The square root of 828668836 is about 28786.6086227607. The cubic root of 828668836 is about 939.2769586969.

The spelling of 828668836 in words is "eight hundred twenty-eight million, six hundred sixty-eight thousand, eight hundred thirty-six".