8465478745648 has 40 divisors (see below), whose sum is σ = 16785610014800. Its totient is φ = 4133735472384.

The previous prime is 8465478745621. The next prime is 8465478745649.

8465478745648 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8465478745649) 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, 4186858 + ... + 5870326.

It is an arithmetic number, because the mean of its divisors is an integer number (419640250370).

Almost surely, 2^{8465478745648} is an apocalyptic number.

It is an amenable number.

8465478745648 is a deficient number, since it is larger than the sum of its proper divisors (8320131269152).

8465478745648 is a wasteful number, since it uses less digits than its factorization.

8465478745648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690829 (or 1690823 counting only the distinct ones).

The product of its digits is 5780275200, while the sum is 76.

The spelling of 8465478745648 in words is "eight trillion, four hundred sixty-five billion, four hundred seventy-eight million, seven hundred forty-five thousand, six hundred forty-eight".