828826666 has 16 divisors (see below), whose sum is σ = 1302739200. Its totient is φ = 394731568.

The previous prime is 828826657. The next prime is 828826697. The reversal of 828826666 is 666628828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26701 + ... + 48688.

It is an arithmetic number, because the mean of its divisors is an integer number (81421200).

Almost surely, 2^828826666 is an apocalyptic number.

828826666 is a deficient number, since it is larger than the sum of its proper divisors (473912534).

828826666 is a wasteful number, since it uses less digits than its factorization.

828826666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75653.

The product of its digits is 2654208, while the sum is 52.

The square root of 828826666 is about 28789.3498710895. The cubic root of 828826666 is about 939.3365871296.

The spelling of 828826666 in words is "eight hundred twenty-eight million, eight hundred twenty-six thousand, six hundred sixty-six".