825352788 has 72 divisors (see below), whose sum is σ = 2203257952. Its totient is φ = 239003136.

The previous prime is 825352757. The next prime is 825352813. The reversal of 825352788 is 887253528.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 35931 + ... + 54237.

Almost surely, 2^825352788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 825352788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101628976).

825352788 is an abundant number, since it is smaller than the sum of its proper divisors (1377905164).

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

825352788 is a wasteful number, since it uses less digits than its factorization.

825352788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18361 (or 18342 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 825352788 is about 28728.9538271062. The cubic root of 825352788 is about 938.0223958598.

The spelling of 825352788 in words is "eight hundred twenty-five million, three hundred fifty-two thousand, seven hundred eighty-eight".