8761856845 has 24 divisors (see below), whose sum is σ = 12235563000. Its totient is φ = 6005809152.

The previous prime is 8761856801. The next prime is 8761856867. The reversal of 8761856845 is 5486581678.

8761856845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 811281289 + 7950575556 = 28483^2 + 89166^2 .

It is not a de Polignac number, because 8761856845 - 2⁷ = 8761856717 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8761856845.

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 23 ways as a sum of consecutive naturals, for example, 839821 + ... + 850189.

It is an arithmetic number, because the mean of its divisors is an integer number (509815125).

Almost surely, 2^8761856845 is an apocalyptic number.

It is an amenable number.

8761856845 is a deficient number, since it is larger than the sum of its proper divisors (3473706155).

8761856845 is a wasteful number, since it uses less digits than its factorization.

8761856845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837 (or 13830 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 58.

The square root of 8761856845 is about 93604.7907160739. The cubic root of 8761856845 is about 2061.5730001062.

The spelling of 8761856845 in words is "eight billion, seven hundred sixty-one million, eight hundred fifty-six thousand, eight hundred forty-five".