89665497135 has 24 divisors (see below), whose sum is σ = 156288478320. Its totient is φ = 47554434432.

The previous prime is 89665497127. The next prime is 89665497139. The reversal of 89665497135 is 53179456698.

89665497135 is a `hidden beast` number, since 8 + 9 + 6 + 6 + 5 + 497 + 135 = 666.

It is not a de Polignac number, because 89665497135 - 2³ = 89665497127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89665497139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5557774 + ... + 5573883.

It is an arithmetic number, because the mean of its divisors is an integer number (6512019930).

Almost surely, 2^89665497135 is an apocalyptic number.

89665497135 is a deficient number, since it is larger than the sum of its proper divisors (66622981185).

89665497135 is a wasteful number, since it uses less digits than its factorization.

89665497135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131847 (or 11131844 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 89665497135 in words is "eighty-nine billion, six hundred sixty-five million, four hundred ninety-seven thousand, one hundred thirty-five".