3688868917 has 8 divisors (see below), whose sum is σ = 3701111480. Its totient is φ = 3676639680.

The previous prime is 3688868881. The next prime is 3688868941. The reversal of 3688868917 is 7198688863.

3688868917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 3688011441 = 926^2 + 60729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3688868917 - 2⁷ = 3688868789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688868017) 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, 1158067 + ... + 1161247.

It is an arithmetic number, because the mean of its divisors is an integer number (462638935).

Almost surely, 2^3688868917 is an apocalyptic number.

It is an amenable number.

3688868917 is a deficient number, since it is larger than the sum of its proper divisors (12242563).

3688868917 is a wasteful number, since it uses less digits than its factorization.

3688868917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its digits is 27869184, while the sum is 64.

The square root of 3688868917 is about 60736.0594457691. The cubic root of 3688868917 is about 1545.1278043157.

The spelling of 3688868917 in words is "three billion, six hundred eighty-eight million, eight hundred sixty-eight thousand, nine hundred seventeen".