8397399012576 has 96 divisors (see below), whose sum is σ = 25234680860928. Its totient is φ = 2395210782720.

The previous prime is 8397399012571. The next prime is 8397399012601. The reversal of 8397399012576 is 6752109937938.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 8397399012576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397399012571) 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 15 ways as a sum of consecutive naturals, for example, 10137870 + ... + 10934861.

It is an arithmetic number, because the mean of its divisors is an integer number (262861258968).

Almost surely, 2^{8397399012576} is an apocalyptic number.

It is an amenable number.

8397399012576 is an abundant number, since it is smaller than the sum of its proper divisors (16837281848352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8397399012576 is a wasteful number, since it uses less digits than its factorization.

8397399012576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21073344 (or 21073336 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 69.

The spelling of 8397399012576 in words is "eight trillion, three hundred ninety-seven billion, three hundred ninety-nine million, twelve thousand, five hundred seventy-six".