89256865297 has 4 divisors (see below), whose sum is σ = 94507269156. Its totient is φ = 84006461440.

The previous prime is 89256865267. The next prime is 89256865343. The reversal of 89256865297 is 79256865298.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77861089296 + 11395776001 = 279036^2 + 106751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89256865297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89256865267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625201904 + ... + 2625201937.

It is an arithmetic number, because the mean of its divisors is an integer number (23626817289).

Almost surely, 2^89256865297 is an apocalyptic number.

It is an amenable number.

89256865297 is a deficient number, since it is larger than the sum of its proper divisors (5250403859).

89256865297 is a wasteful number, since it uses less digits than its factorization.

89256865297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250403858.

The product of its digits is 130636800, while the sum is 67.

Subtracting from 89256865297 its reverse (79256865298), we obtain a palindrome (9999999999).

The spelling of 89256865297 in words is "eighty-nine billion, two hundred fifty-six million, eight hundred sixty-five thousand, two hundred ninety-seven".