3856366788 has 12 divisors (see below), whose sum is σ = 8998189200. Its totient is φ = 1285455592.

The previous prime is 3856366769. The next prime is 3856366837. The reversal of 3856366788 is 8876636583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 160681938 + ... + 160681961.

It is an arithmetic number, because the mean of its divisors is an integer number (749849100).

Almost surely, 2^3856366788 is an apocalyptic number.

It is an amenable number.

3856366788 is an abundant number, since it is smaller than the sum of its proper divisors (5141822412).

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

3856366788 is a wasteful number, since it uses less digits than its factorization.

3856366788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321363906 (or 321363904 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The square root of 3856366788 is about 62099.6520763200. The cubic root of 3856366788 is about 1568.1686881415.

The spelling of 3856366788 in words is "three billion, eight hundred fifty-six million, three hundred sixty-six thousand, seven hundred eighty-eight".