828788102884 has 27 divisors (see below), whose sum is σ = 1687201727043. Its totient is φ = 355189438968.

The previous prime is 828788102869. The next prime is 828788102897. The reversal of 828788102884 is 488201887828.

The square root of 828788102884 is 910378.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12712779 + ... + 12777805.

Almost surely, 2^828788102884 is an apocalyptic number.

828788102884 is the 910378-th square number.

It is an amenable number.

828788102884 is an abundant number, since it is smaller than the sum of its proper divisors (858413624159).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828788102884 is an frugal number, since it uses more digits than its factorization.

828788102884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130072 (or 65036 counting only the distinct ones).

The product of its (nonzero) digits is 29360128, while the sum is 64.

Multiplying 828788102884 by its sum of digits (64), we get a square (53042438584576 = 7283024²).

The spelling of 828788102884 in words is "eight hundred twenty-eight billion, seven hundred eighty-eight million, one hundred two thousand, eight hundred eighty-four".