89009187593 has 4 divisors (see below), whose sum is σ = 89023043280. Its totient is φ = 88995331908.

The previous prime is 89009187551. The next prime is 89009187679. The reversal of 89009187593 is 39578190098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39578190098 = 2 ⋅19789095049.

It is a cyclic number.

It is not a de Polignac number, because 89009187593 - 2³⁴ = 71829318409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89009187493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6918203 + ... + 6931056.

It is an arithmetic number, because the mean of its divisors is an integer number (22255760820).

Almost surely, 2^89009187593 is an apocalyptic number.

It is an amenable number.

89009187593 is a deficient number, since it is larger than the sum of its proper divisors (13855687).

89009187593 is a wasteful number, since it uses less digits than its factorization.

89009187593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855686.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 89009187593 in words is "eighty-nine billion, nine million, one hundred eighty-seven thousand, five hundred ninety-three".