8456448428376 has 128 divisors (see below), whose sum is σ = 23554716192000. Its totient is φ = 2512018027008.

The previous prime is 8456448428371. The next prime is 8456448428381. The reversal of 8456448428376 is 6738248446548.

It is an interprime number because it is at equal distance from previous prime (8456448428371) and next prime (8456448428381).

It is a self number, because there is not a number n which added to its sum of digits gives 8456448428376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8456448428371) 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 31 ways as a sum of consecutive naturals, for example, 107984931 + ... + 108063213.

It is an arithmetic number, because the mean of its divisors is an integer number (184021220250).

Almost surely, 2^{8456448428376} 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 8456448428376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11777358096000).

8456448428376 is an abundant number, since it is smaller than the sum of its proper divisors (15098267763624).

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

8456448428376 is a wasteful number, since it uses less digits than its factorization.

8456448428376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90273 (or 90269 counting only the distinct ones).

The product of its digits is 990904320, while the sum is 69.

The spelling of 8456448428376 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-eight million, four hundred twenty-eight thousand, three hundred seventy-six".