828587831824 has 15 divisors (see below), whose sum is σ = 1605395978767. Its totient is φ = 414292095376.

The previous prime is 828587831809. The next prime is 828587831963. The reversal of 828587831824 is 428138785828.

The square root of 828587831824 is 910268.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3527289 + ... + 3754855.

Almost surely, 2^828587831824 is an apocalyptic number.

828587831824 is the 910268-th square number.

It is an amenable number.

828587831824 is a deficient number, since it is larger than the sum of its proper divisors (776808146943).

828587831824 is an frugal number, since it uses more digits than its factorization.

828587831824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455142 (or 227569 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 64.

Multiplying 828587831824 by its sum of digits (64), we get a square (53029621236736 = 7282144²).

The spelling of 828587831824 in words is "eight hundred twenty-eight billion, five hundred eighty-seven million, eight hundred thirty-one thousand, eight hundred twenty-four".