89465509 has 16 divisors (see below), whose sum is σ = 113961600. Its totient is φ = 68373504.

The previous prime is 89465507. The next prime is 89465513. The reversal of 89465509 is 90556498.

It is a cyclic number.

It is not a de Polignac number, because 89465509 - 2¹ = 89465507 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 (89465503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17524 + ... + 22045.

It is an arithmetic number, because the mean of its divisors is an integer number (7122600).

Almost surely, 2^89465509 is an apocalyptic number.

It is an amenable number.

89465509 is a deficient number, since it is larger than the sum of its proper divisors (24496091).

89465509 is a wasteful number, since it uses less digits than its factorization.

89465509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39612.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 89465509 is about 9458.6208825600. The cubic root of 89465509 is about 447.2515754411.

The spelling of 89465509 in words is "eighty-nine million, four hundred sixty-five thousand, five hundred nine".