89509717417 has 4 divisors (see below), whose sum is σ = 89780139856. Its totient is φ = 89239294980.

The previous prime is 89509717379. The next prime is 89509717441. The reversal of 89509717417 is 71471790598.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89509717417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89509717447) 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, 135210723 + ... + 135211384.

It is an arithmetic number, because the mean of its divisors is an integer number (22445034964).

Almost surely, 2^89509717417 is an apocalyptic number.

It is an amenable number.

89509717417 is a deficient number, since it is larger than the sum of its proper divisors (270422439).

89509717417 is a wasteful number, since it uses less digits than its factorization.

89509717417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270422438.

The product of its (nonzero) digits is 4445280, while the sum is 58.

The spelling of 89509717417 in words is "eighty-nine billion, five hundred nine million, seven hundred seventeen thousand, four hundred seventeen".