6386820908 has 12 divisors (see below), whose sum is σ = 12036701040. Its totient is φ = 2947763472.

The previous prime is 6386820901. The next prime is 6386820919. The reversal of 6386820908 is 8090286836.

It is not an unprimeable number, because it can be changed into a prime (6386820901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61411688 + ... + 61411791.

It is an arithmetic number, because the mean of its divisors is an integer number (1003058420).

Almost surely, 2^6386820908 is an apocalyptic number.

It is an amenable number.

6386820908 is a deficient number, since it is larger than the sum of its proper divisors (5649880132).

6386820908 is a wasteful number, since it uses less digits than its factorization.

6386820908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122823496 (or 122823494 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 6386820908 is about 79917.5882268728. The cubic root of 6386820908 is about 1855.3602425399.

The spelling of 6386820908 in words is "six billion, three hundred eighty-six million, eight hundred twenty thousand, nine hundred eight".