8786564538 has 16 divisors (see below), whose sum is σ = 17574048576. Its totient is φ = 2928701600.

The previous prime is 8786564471. The next prime is 8786564539. The reversal of 8786564538 is 8354656878.

8786564538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8786564539) by changing a digit.

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, 198763 + ... + 238913.

It is an arithmetic number, because the mean of its divisors is an integer number (1098378036).

Almost surely, 2^8786564538 is an apocalyptic number.

8786564538 is an abundant number, since it is smaller than the sum of its proper divisors (8787484038).

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

8786564538 is a wasteful number, since it uses less digits than its factorization.

8786564538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76629.

The product of its digits is 38707200, while the sum is 60.

The square root of 8786564538 is about 93736.6765892625. The cubic root of 8786564538 is about 2063.5090017812.

The spelling of 8786564538 in words is "eight billion, seven hundred eighty-six million, five hundred sixty-four thousand, five hundred thirty-eight".