89497717 has 4 divisors (see below), whose sum is σ = 89534176. Its totient is φ = 89461260.

The previous prime is 89497703. The next prime is 89497739. The reversal of 89497717 is 71779498.

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 not a de Polignac number, because 89497717 - 2¹¹ = 89495669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89497747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14259 + ... + 19552.

It is an arithmetic number, because the mean of its divisors is an integer number (22383544).

Almost surely, 2^89497717 is an apocalyptic number.

It is an amenable number.

89497717 is a deficient number, since it is larger than the sum of its proper divisors (36459).

89497717 is a wasteful number, since it uses less digits than its factorization.

89497717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36458.

The product of its digits is 889056, while the sum is 52.

The square root of 89497717 is about 9460.3233031435. The cubic root of 89497717 is about 447.3052398853.

The spelling of 89497717 in words is "eighty-nine million, four hundred ninety-seven thousand, seven hundred seventeen".