825982850 has 48 divisors (see below), whose sum is σ = 1915430976. Its totient is φ = 257448000.

The previous prime is 825982849. The next prime is 825982889. The reversal of 825982850 is 58289528.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 825982795 and 825982804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103421 + ... + 111120.

It is an arithmetic number, because the mean of its divisors is an integer number (39904812).

Almost surely, 2^825982850 is an apocalyptic number.

825982850 is an abundant number, since it is smaller than the sum of its proper divisors (1089448126).

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

825982850 is a wasteful number, since it uses less digits than its factorization.

825982850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214571 (or 214566 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 825982850 is about 28739.9173624421. The cubic root of 825982850 is about 938.2610259136.

The spelling of 825982850 in words is "eight hundred twenty-five million, nine hundred eighty-two thousand, eight hundred fifty".