8497721024704 has 14 divisors (see below), whose sum is σ = 16862665158524. Its totient is φ = 4248860512320.

The previous prime is 8497721024701. The next prime is 8497721024719. The reversal of 8497721024704 is 4074201277948.

It is a super-2 number, since 2×8497721024704² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8497721024701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66388445442 + ... + 66388445569.

Almost surely, 2^{8497721024704} is an apocalyptic number.

It is an amenable number.

8497721024704 is a deficient number, since it is larger than the sum of its proper divisors (8364944133820).

8497721024704 is a wasteful number, since it uses less digits than its factorization.

8497721024704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132776891023 (or 132776891013 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 8497721024704 in words is "eight trillion, four hundred ninety-seven billion, seven hundred twenty-one million, twenty-four thousand, seven hundred four".