8972616589 has 4 divisors (see below), whose sum is σ = 8975248956. Its totient is φ = 8969984224.

The previous prime is 8972616557. The next prime is 8972616637. The reversal of 8972616589 is 9856162798.

8972616589 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 5824284489 + 3148332100 = 76317^2 + 56110^2 .

It is a cyclic number.

It is not a de Polignac number, because 8972616589 - 2⁵ = 8972616557 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 (8972610589) 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 3 ways as a sum of consecutive naturals, for example, 1311064 + ... + 1317889.

It is an arithmetic number, because the mean of its divisors is an integer number (2243812239).

Almost surely, 2^8972616589 is an apocalyptic number.

It is an amenable number.

8972616589 is a deficient number, since it is larger than the sum of its proper divisors (2632367).

8972616589 is a wasteful number, since it uses less digits than its factorization.

8972616589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632366.

The product of its digits is 13063680, while the sum is 61.

The square root of 8972616589 is about 94723.8966100952. The cubic root of 8972616589 is about 2077.9720579878.

The spelling of 8972616589 in words is "eight billion, nine hundred seventy-two million, six hundred sixteen thousand, five hundred eighty-nine".