6378713320 has 64 divisors (see below), whose sum is σ = 16421143680. Its totient is φ = 2184489216.

The previous prime is 6378713317. The next prime is 6378713321. The reversal of 6378713320 is 233178736.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (6378713321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241402 + ... + 266518.

It is an arithmetic number, because the mean of its divisors is an integer number (256580370).

Almost surely, 2^6378713320 is an apocalyptic number.

It is an amenable number.

6378713320 is an abundant number, since it is smaller than the sum of its proper divisors (10042430360).

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

6378713320 is a wasteful number, since it uses less digits than its factorization.

6378713320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26042 (or 26038 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 6378713320 is about 79866.8474399735. The cubic root of 6378713320 is about 1854.5748300865.

The spelling of 6378713320 in words is "six billion, three hundred seventy-eight million, seven hundred thirteen thousand, three hundred twenty".