8378083756 has 24 divisors (see below), whose sum is σ = 17072324640. Its totient is φ = 3522859392.

The previous prime is 8378083739. The next prime is 8378083759. The reversal of 8378083756 is 6573808738.

It is a junction number, because it is equal to n+sod(n) for n = 8378083697 and 8378083706.

It is not an unprimeable number, because it can be changed into a prime (8378083759) 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, 2821321 + ... + 2824288.

It is an arithmetic number, because the mean of its divisors is an integer number (711346860).

Almost surely, 2^8378083756 is an apocalyptic number.

It is an amenable number.

8378083756 is an abundant number, since it is smaller than the sum of its proper divisors (8694240884).

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

8378083756 is a wasteful number, since it uses less digits than its factorization.

8378083756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645673 (or 5645671 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 8378083756 is about 91531.8728968221. The cubic root of 8378083756 is about 2031.0232698524.

The spelling of 8378083756 in words is "eight billion, three hundred seventy-eight million, eighty-three thousand, seven hundred fifty-six".