89517875909 has 16 divisors (see below), whose sum is σ = 111616638336. Its totient is φ = 69747979200.

The previous prime is 89517875801. The next prime is 89517875947. The reversal of 89517875909 is 90957871598.

It is a cyclic number.

It is not a de Polignac number, because 89517875909 - 2⁸ = 89517875653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89517875999) 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, 941879 + ... + 1032555.

It is an arithmetic number, because the mean of its divisors is an integer number (6976039896).

Almost surely, 2^89517875909 is an apocalyptic number.

It is an amenable number.

89517875909 is a deficient number, since it is larger than the sum of its proper divisors (22098762427).

89517875909 is a wasteful number, since it uses less digits than its factorization.

89517875909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103516.

The product of its (nonzero) digits is 57153600, while the sum is 68.

The spelling of 89517875909 in words is "eighty-nine billion, five hundred seventeen million, eight hundred seventy-five thousand, nine hundred nine".