3686623888 has 20 divisors (see below), whose sum is σ = 7146886320. Its totient is φ = 1842266144.

The previous prime is 3686623883. The next prime is 3686623901. The reversal of 3686623888 is 8883266863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3686623883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35878 + ... + 93061.

It is an arithmetic number, because the mean of its divisors is an integer number (357344316).

Almost surely, 2^3686623888 is an apocalyptic number.

It is an amenable number.

3686623888 is a deficient number, since it is larger than the sum of its proper divisors (3460262432).

3686623888 is a wasteful number, since it uses less digits than its factorization.

3686623888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130734 (or 130728 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 58.

The square root of 3686623888 is about 60717.5747868770. The cubic root of 3686623888 is about 1544.8142880992.

The spelling of 3686623888 in words is "three billion, six hundred eighty-six million, six hundred twenty-three thousand, eight hundred eighty-eight".