8387776163480 has 128 divisors (see below), whose sum is σ = 21618641318400. Its totient is φ = 2869139100672.

The previous prime is 8387776163471. The next prime is 8387776163579. The reversal of 8387776163480 is 843616777838.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8387776163480.

It is a congruent number.

It is an unprimeable number.

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, 257017244 + ... + 257049876.

It is an arithmetic number, because the mean of its divisors is an integer number (168895635300).

Almost surely, 2^{8387776163480} 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 8387776163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10809320659200).

8387776163480 is an abundant number, since it is smaller than the sum of its proper divisors (13230865154920).

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

8387776163480 is a wasteful number, since it uses less digits than its factorization.

8387776163480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34753 (or 34749 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 68.

The spelling of 8387776163480 in words is "eight trillion, three hundred eighty-seven billion, seven hundred seventy-six million, one hundred sixty-three thousand, four hundred eighty".