8478215077296 has 80 divisors (see below), whose sum is σ = 22120356956544. Its totient is φ = 2797936300032.

The previous prime is 8478215077291. The next prime is 8478215077307. The reversal of 8478215077296 is 6927705128748.

It is not an unprimeable number, because it can be changed into a prime (8478215077291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7848976 + ... + 8863568.

Almost surely, 2^{8478215077296} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8478215077296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11060178478272).

8478215077296 is an abundant number, since it is smaller than the sum of its proper divisors (13642141879248).

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

8478215077296 is a wasteful number, since it uses less digits than its factorization.

8478215077296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016338 (or 1016332 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 66.

The spelling of 8478215077296 in words is "eight trillion, four hundred seventy-eight billion, two hundred fifteen million, seventy-seven thousand, two hundred ninety-six".