828645238752 has 24 divisors (see below), whose sum is σ = 2175193751976. Its totient is φ = 276215079552.

The previous prime is 828645238727. The next prime is 828645238769. The reversal of 828645238752 is 257832546828.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4315860523 + ... + 4315860714.

It is an arithmetic number, because the mean of its divisors is an integer number (90633072999).

Almost surely, 2^828645238752 is an apocalyptic number.

It is an amenable number.

828645238752 is an abundant number, since it is smaller than the sum of its proper divisors (1346548513224).

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

828645238752 is a wasteful number, since it uses less digits than its factorization.

828645238752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631721250 (or 8631721242 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 60.

The spelling of 828645238752 in words is "eight hundred twenty-eight billion, six hundred forty-five million, two hundred thirty-eight thousand, seven hundred fifty-two".