89620565 has 8 divisors (see below), whose sum is σ = 107595648. Its totient is φ = 71662480.

The previous prime is 89620561. The next prime is 89620571. The reversal of 89620565 is 56502698.

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

It is not a de Polignac number, because 89620565 - 2² = 89620561 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 (89620561) 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, 17264 + ... + 21846.

It is an arithmetic number, because the mean of its divisors is an integer number (13449456).

Almost surely, 2^89620565 is an apocalyptic number.

It is an amenable number.

89620565 is a deficient number, since it is larger than the sum of its proper divisors (17975083).

89620565 is a wasteful number, since it uses less digits than its factorization.

89620565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499.

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

The square root of 89620565 is about 9466.8138779634. The cubic root of 89620565 is about 447.5098090918.

The spelling of 89620565 in words is "eighty-nine million, six hundred twenty thousand, five hundred sixty-five".