3868205108 has 24 divisors (see below), whose sum is σ = 6970290600. Its totient is φ = 1876963968.

The previous prime is 3868205101. The next prime is 3868205111. The reversal of 3868205108 is 8015028683.

It can be written as a sum of positive squares in 4 ways, for example, as 1902878884 + 1965326224 = 43622^2 + 44332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868205101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23978 + ... + 91166.

It is an arithmetic number, because the mean of its divisors is an integer number (290428775).

Almost surely, 2^3868205108 is an apocalyptic number.

It is an amenable number.

3868205108 is a deficient number, since it is larger than the sum of its proper divisors (3102085492).

3868205108 is a wasteful number, since it uses less digits than its factorization.

3868205108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67619 (or 67617 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 3868205108 is about 62194.8961571607. The cubic root of 3868205108 is about 1569.7717098116.

The spelling of 3868205108 in words is "three billion, eight hundred sixty-eight million, two hundred five thousand, one hundred eight".