825681892 has 48 divisors (see below), whose sum is σ = 1673118720. Its totient is φ = 349236000.

The previous prime is 825681889. The next prime is 825681907. The reversal of 825681892 is 298186528.

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 15 ways as a sum of consecutive naturals, for example, 756267 + ... + 757357.

It is an arithmetic number, because the mean of its divisors is an integer number (34856640).

Almost surely, 2^825681892 is an apocalyptic number.

It is an amenable number.

825681892 is an abundant number, since it is smaller than the sum of its proper divisors (847436828).

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

825681892 is a wasteful number, since it uses less digits than its factorization.

825681892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 825681892 is about 28734.6809970113. The cubic root of 825681892 is about 938.1470560473.

The spelling of 825681892 in words is "eight hundred twenty-five million, six hundred eighty-one thousand, eight hundred ninety-two".