8706568064 has 64 divisors (see below), whose sum is σ = 17740211280. Its totient is φ = 4255027200.

The previous prime is 8706568033. The next prime is 8706568067. The reversal of 8706568064 is 4608656078.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8706568067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269284 + ... + 1276124.

Almost surely, 2^8706568064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8706568064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8870105640).

8706568064 is an abundant number, since it is smaller than the sum of its proper divisors (9033643216).

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

8706568064 is a wasteful number, since it uses less digits than its factorization.

8706568064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079 (or 7067 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 8706568064 is about 93308.9924069486. The cubic root of 8706568064 is about 2057.2275570358.

The spelling of 8706568064 in words is "eight billion, seven hundred six million, five hundred sixty-eight thousand, sixty-four".