8681865050 has 12 divisors (see below), whose sum is σ = 16148269086. Its totient is φ = 3472746000.

The previous prime is 8681865047. The next prime is 8681865061. The reversal of 8681865050 is 505681868.

It can be written as a sum of positive squares in 3 ways, for example, as 7525389001 + 1156476049 = 86749^2 + 34007^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8681864986 and 8681865004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86818601 + ... + 86818700.

Almost surely, 2^8681865050 is an apocalyptic number.

8681865050 is a deficient number, since it is larger than the sum of its proper divisors (7466404036).

8681865050 is a wasteful number, since it uses less digits than its factorization.

8681865050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173637313 (or 173637308 counting only the distinct ones).

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

The square root of 8681865050 is about 93176.5262821061. The cubic root of 8681865050 is about 2055.2800671249.

The spelling of 8681865050 in words is "eight billion, six hundred eighty-one million, eight hundred sixty-five thousand, fifty".