89611697 has 16 divisors (see below), whose sum is σ = 104872320. Its totient is φ = 74988672.

The previous prime is 89611693. The next prime is 89611721. The reversal of 89611697 is 79611698.

It is a cyclic number.

It is not a de Polignac number, because 89611697 - 2² = 89611693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89611693) 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, 50843 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (6554520).

Almost surely, 2^89611697 is an apocalyptic number.

It is an amenable number.

89611697 is a deficient number, since it is larger than the sum of its proper divisors (15260623).

89611697 is a wasteful number, since it uses less digits than its factorization.

89611697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 163296, while the sum is 47.

The square root of 89611697 is about 9466.3454933781. The cubic root of 89611697 is about 447.4950481647.

Subtracting from 89611697 its reverse (79611698), we obtain a palindrome (9999999).

The spelling of 89611697 in words is "eighty-nine million, six hundred eleven thousand, six hundred ninety-seven".