8989577 has 2 divisors, whose sum is σ = 8989578. Its totient is φ = 8989576.

The previous prime is 8989571. The next prime is 8989579. The reversal of 8989577 is 7759898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6869641 + 2119936 = 2621^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 8989577 - 2¹² = 8985481 is a prime.

Together with 8989579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8989571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4494788 + 4494789.

It is an arithmetic number, because the mean of its divisors is an integer number (4494789).

Almost surely, 2^8989577 is an apocalyptic number.

It is an amenable number.

8989577 is a deficient number, since it is larger than the sum of its proper divisors (1).

8989577 is an equidigital number, since it uses as much as digits as its factorization.

8989577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 53.

The square root of 8989577 is about 2998.2623300839. The cubic root of 8989577 is about 207.9280523473.

The spelling of 8989577 in words is "eight million, nine hundred eighty-nine thousand, five hundred seventy-seven".