8294781368320 has 96 divisors (see below), whose sum is σ = 19952257394160. Its totient is φ = 3309636812800.

The previous prime is 8294781368299. The next prime is 8294781368323. The reversal of 8294781368320 is 238631874928.

It is a super-2 number, since 2×8294781368320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8294781368323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096219 + ... + 5116261.

Almost surely, 2^{8294781368320} is an apocalyptic number.

8294781368320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8294781368320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9976128697080).

8294781368320 is an abundant number, since it is smaller than the sum of its proper divisors (11657476025840).

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

8294781368320 is a wasteful number, since it uses less digits than its factorization.

8294781368320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020471 (or 2020451 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 8294781368320 in words is "eight trillion, two hundred ninety-four billion, seven hundred eighty-one million, three hundred sixty-eight thousand, three hundred twenty".