8559322061 has 4 divisors (see below), whose sum is σ = 9062811612. Its totient is φ = 8055832512.

The previous prime is 8559322039. The next prime is 8559322091. The reversal of 8559322061 is 1602239558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6504422500 + 2054899561 = 80650^2 + 45331^2 .

It is a cyclic number.

It is not a de Polignac number, because 8559322061 - 2⁶ = 8559321997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8559322091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251744750 + ... + 251744783.

It is an arithmetic number, because the mean of its divisors is an integer number (2265702903).

Almost surely, 2^8559322061 is an apocalyptic number.

It is an amenable number.

8559322061 is a deficient number, since it is larger than the sum of its proper divisors (503489551).

8559322061 is a wasteful number, since it uses less digits than its factorization.

8559322061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503489550.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 8559322061 is about 92516.6042448597. The cubic root of 8559322061 is about 2045.5642388275.

The spelling of 8559322061 in words is "eight billion, five hundred fifty-nine million, three hundred twenty-two thousand, sixty-one".