825800556 has 48 divisors (see below), whose sum is σ = 2297885184. Its totient is φ = 225684096.

The previous prime is 825800531. The next prime is 825800561. The reversal of 825800556 is 655008528.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211785 + ... + 215648.

It is an arithmetic number, because the mean of its divisors is an integer number (47872608).

Almost surely, 2^825800556 is an apocalyptic number.

It is an amenable number.

825800556 is an abundant number, since it is smaller than the sum of its proper divisors (1472084628).

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

825800556 is a wasteful number, since it uses less digits than its factorization.

825800556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427470 (or 427468 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 825800556 is about 28736.7457447777. The cubic root of 825800556 is about 938.1919962560.

The spelling of 825800556 in words is "eight hundred twenty-five million, eight hundred thousand, five hundred fifty-six".