8720506116 has 96 divisors (see below), whose sum is σ = 27358490880. Its totient is φ = 2345006592.

The previous prime is 8720506079. The next prime is 8720506141. The reversal of 8720506116 is 6116050278.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326415 + ... + 352118.

It is an arithmetic number, because the mean of its divisors is an integer number (284984280).

Almost surely, 2^8720506116 is an apocalyptic number.

It is an amenable number.

8720506116 is an abundant number, since it is smaller than the sum of its proper divisors (18637984764).

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

8720506116 is a wasteful number, since it uses less digits than its factorization.

8720506116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678570 (or 678562 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 8720506116 is about 93383.6501535467. The cubic root of 8720506116 is about 2058.3247538916.

The spelling of 8720506116 in words is "eight billion, seven hundred twenty million, five hundred six thousand, one hundred sixteen".