8623600561 has 16 divisors (see below), whose sum is σ = 9169913088. Its totient is φ = 8099164800.

The previous prime is 8623600549. The next prime is 8623600567. The reversal of 8623600561 is 1650063268.

It is a cyclic number.

It is not a de Polignac number, because 8623600561 - 2⁵ = 8623600529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8623600561.

It is not an unprimeable number, because it can be changed into a prime (8623600567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80866 + ... + 154228.

It is an arithmetic number, because the mean of its divisors is an integer number (573119568).

Almost surely, 2^8623600561 is an apocalyptic number.

It is an amenable number.

8623600561 is a deficient number, since it is larger than the sum of its proper divisors (546312527).

8623600561 is a wasteful number, since it uses less digits than its factorization.

8623600561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73512.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 8623600561 is about 92863.3434730841. The cubic root of 8623600561 is about 2050.6720430774.

The spelling of 8623600561 in words is "eight billion, six hundred twenty-three million, six hundred thousand, five hundred sixty-one".