89569609 has 8 divisors (see below), whose sum is σ = 90178880. Its totient is φ = 88963056.

The previous prime is 89569589. The next prime is 89569621. The reversal of 89569609 is 90696598.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89569609 - 2¹⁷ = 89438537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89569679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163474 + ... + 164020.

It is an arithmetic number, because the mean of its divisors is an integer number (11272360).

Almost surely, 2^89569609 is an apocalyptic number.

It is an amenable number.

89569609 is a deficient number, since it is larger than the sum of its proper divisors (609271).

89569609 is a wasteful number, since it uses less digits than its factorization.

89569609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 89569609 is about 9464.1221991266. The cubic root of 89569609 is about 447.4249787370.

The spelling of 89569609 in words is "eighty-nine million, five hundred sixty-nine thousand, six hundred nine".