828558855828 has 72 divisors (see below), whose sum is σ = 2307435844896. Its totient is φ = 248592504000.

The previous prime is 828558855809. The next prime is 828558855851.

828558855828 is nontrivially palindromic in base 10.

828558855828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10318026 + ... + 10398017.

It is an arithmetic number, because the mean of its divisors is an integer number (32047720068).

Almost surely, 2^828558855828 is an apocalyptic number.

It is an amenable number.

828558855828 is an abundant number, since it is smaller than the sum of its proper divisors (1478876989068).

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

828558855828 is a wasteful number, since it uses less digits than its factorization.

828558855828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20716165 (or 20716160 counting only the distinct ones).

The product of its digits is 655360000, while the sum is 72.

The spelling of 828558855828 in words is "eight hundred twenty-eight billion, five hundred fifty-eight million, eight hundred fifty-five thousand, eight hundred twenty-eight".