828188836 has 12 divisors (see below), whose sum is σ = 1449923020. Its totient is φ = 413925120.

The previous prime is 828188821. The next prime is 828188863. The reversal of 828188836 is 638881828.

It can be written as a sum of positive squares in 2 ways, for example, as 11943936 + 816244900 = 3456^2 + 28570^2 .

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 3 ways as a sum of consecutive naturals, for example, 30981 + ... + 51148.

Almost surely, 2^828188836 is an apocalyptic number.

It is an amenable number.

828188836 is a deficient number, since it is larger than the sum of its proper divisors (621734184).

828188836 is a wasteful number, since it uses less digits than its factorization.

828188836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84654 (or 84652 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 52.

The square root of 828188836 is about 28778.2702051392. The cubic root of 828188836 is about 939.0955673700.

The spelling of 828188836 in words is "eight hundred twenty-eight million, one hundred eighty-eight thousand, eight hundred thirty-six".