616782852 has 36 divisors (see below), whose sum is σ = 1781817856. Its totient is φ = 176223600.

The previous prime is 616782847. The next prime is 616782853. The reversal of 616782852 is 258287616.

616782852 is a `hidden beast` number, since 616 + 7 + 8 + 28 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 616782798 and 616782807.

It is not an unprimeable number, because it can be changed into a prime (616782853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223524 + ... + 1224027.

Almost surely, 2^616782852 is an apocalyptic number.

It is an amenable number.

616782852 is an abundant number, since it is smaller than the sum of its proper divisors (1165035004).

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

616782852 is a wasteful number, since it uses less digits than its factorization.

616782852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447568 (or 2447563 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 616782852 is about 24835.1132874404. The cubic root of 616782852 is about 851.2244645513.

The spelling of 616782852 in words is "six hundred sixteen million, seven hundred eighty-two thousand, eight hundred fifty-two".