8538316856 has 32 divisors (see below), whose sum is σ = 16627238400. Its totient is φ = 4106077920.

The previous prime is 8538316847. The next prime is 8538316867. The reversal of 8538316856 is 6586138358.

It is a junction number, because it is equal to n+sod(n) for n = 8538316798 and 8538316807.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 65186 + ... + 146033.

It is an arithmetic number, because the mean of its divisors is an integer number (519601200).

Almost surely, 2^8538316856 is an apocalyptic number.

It is an amenable number.

8538316856 is a deficient number, since it is larger than the sum of its proper divisors (8088921544).

8538316856 is a wasteful number, since it uses less digits than its factorization.

8538316856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211419 (or 211415 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The square root of 8538316856 is about 92403.0132409111. The cubic root of 8538316856 is about 2043.8895465122.

The spelling of 8538316856 in words is "eight billion, five hundred thirty-eight million, three hundred sixteen thousand, eight hundred fifty-six".