8697745564 has 24 divisors (see below), whose sum is σ = 16223161248. Its totient is φ = 4065945600.

The previous prime is 8697745561. The next prime is 8697745591. The reversal of 8697745564 is 4655477968.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697745561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 413269 + ... + 433804.

It is an arithmetic number, because the mean of its divisors is an integer number (675965052).

Almost surely, 2^8697745564 is an apocalyptic number.

It is an amenable number.

8697745564 is a deficient number, since it is larger than the sum of its proper divisors (7525415684).

8697745564 is a wasteful number, since it uses less digits than its factorization.

8697745564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847245 (or 847243 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 61.

The square root of 8697745564 is about 93261.7047024126. The cubic root of 8697745564 is about 2056.5324487006.

The spelling of 8697745564 in words is "eight billion, six hundred ninety-seven million, seven hundred forty-five thousand, five hundred sixty-four".