8378083755 has 12 divisors (see below), whose sum is σ = 14522011920. Its totient is φ = 4468311312.

The previous prime is 8378083739. The next prime is 8378083759. The reversal of 8378083755 is 5573808738.

It is not a de Polignac number, because 8378083755 - 2⁴ = 8378083739 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 93089775 + ... + 93089864.

It is an arithmetic number, because the mean of its divisors is an integer number (1210167660).

Almost surely, 2^8378083755 is an apocalyptic number.

8378083755 is a deficient number, since it is larger than the sum of its proper divisors (6143928165).

8378083755 is a wasteful number, since it uses less digits than its factorization.

8378083755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186179650 (or 186179647 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The square root of 8378083755 is about 91531.8728913595. The cubic root of 8378083755 is about 2031.0232697716.

The spelling of 8378083755 in words is "eight billion, three hundred seventy-eight million, eighty-three thousand, seven hundred fifty-five".