8997464647997 has 8 divisors (see below), whose sum is σ = 10301081073216. Its totient is φ = 7698414305952.

The previous prime is 8997464647957. The next prime is 8997464648041. The reversal of 8997464647997 is 7997464647998.

It is a happy number.

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 8997464647997 - 2²⁴ = 8997447870781 is a prime.

It is a super-2 number, since 2×8997464647997² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997464647957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141516568 + ... + 1141524449.

It is an arithmetic number, because the mean of its divisors is an integer number (1287635134152).

Almost surely, 2^{8997464647997} is an apocalyptic number.

It is an amenable number.

8997464647997 is a deficient number, since it is larger than the sum of its proper divisors (1303616425219).

8997464647997 is a wasteful number, since it uses less digits than its factorization.

8997464647997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283041587.

The product of its digits is 41479796736, while the sum is 89.

Subtracting from 8997464647997 its reverse (7997464647998), we obtain a palindrome (999999999999).

The spelling of 8997464647997 in words is "eight trillion, nine hundred ninety-seven billion, four hundred sixty-four million, six hundred forty-seven thousand, nine hundred ninety-seven".