8769561608 has 16 divisors (see below), whose sum is σ = 16444696380. Its totient is φ = 4384309248.

The previous prime is 8769561589. The next prime is 8769561637. The reversal of 8769561608 is 8061659678.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7516543204 + 1253018404 = 86698^2 + 35398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27560 + ... + 135272.

Almost surely, 2^8769561608 is an apocalyptic number.

It is an amenable number.

8769561608 is a deficient number, since it is larger than the sum of its proper divisors (7675134772).

8769561608 is a wasteful number, since it uses less digits than its factorization.

8769561608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117896 (or 117892 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 8769561608 is about 93645.9374879658. The cubic root of 8769561608 is about 2062.1771063692.

The spelling of 8769561608 in words is "eight billion, seven hundred sixty-nine million, five hundred sixty-one thousand, six hundred eight".