89136817 has 8 divisors (see below), whose sum is σ = 111131712. Its totient is φ = 69457200.

The previous prime is 89136779. The next prime is 89136823. The reversal of 89136817 is 71863198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89136817 - 2⁷ = 89136689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89136217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578734 + ... + 578887.

It is an arithmetic number, because the mean of its divisors is an integer number (13891464).

Almost surely, 2^89136817 is an apocalyptic number.

It is an amenable number.

89136817 is a deficient number, since it is larger than the sum of its proper divisors (21994895).

89136817 is a wasteful number, since it uses less digits than its factorization.

89136817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157639.

The product of its digits is 72576, while the sum is 43.

The square root of 89136817 is about 9441.2296338983. The cubic root of 89136817 is about 446.7031763306.

The spelling of 89136817 in words is "eighty-nine million, one hundred thirty-six thousand, eight hundred seventeen".