825386616 has 48 divisors (see below), whose sum is σ = 2237330160. Its totient is φ = 274894080.

The previous prime is 825386609. The next prime is 825386651. The reversal of 825386616 is 616683528.

825386616 is a `hidden beast` number, since 8 + 25 + 3 + 8 + 6 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93781 + ... + 102203.

It is an arithmetic number, because the mean of its divisors is an integer number (46611045).

Almost surely, 2^825386616 is an apocalyptic number.

It is an amenable number.

825386616 is an abundant number, since it is smaller than the sum of its proper divisors (1411943544).

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

825386616 is a wasteful number, since it uses less digits than its factorization.

825386616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796 (or 9789 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 825386616 is about 28729.5425651019. The cubic root of 825386616 is about 938.0352109810.

The spelling of 825386616 in words is "eight hundred twenty-five million, three hundred eighty-six thousand, six hundred sixteen".