3865680980 has 24 divisors (see below), whose sum is σ = 9277634688. Its totient is φ = 1325376288.

The previous prime is 3865680961. The next prime is 3865681007. The reversal of 3865680980 is 890865683.

It is a happy number.

3865680980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13805864 + ... + 13806143.

It is an arithmetic number, because the mean of its divisors is an integer number (386568112).

Almost surely, 2^3865680980 is an apocalyptic number.

It is an amenable number.

3865680980 is an abundant number, since it is smaller than the sum of its proper divisors (5411953708).

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

3865680980 is a wasteful number, since it uses less digits than its factorization.

3865680980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27612023 (or 27612021 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 3865680980 is about 62174.6007626909. The cubic root of 3865680980 is about 1569.4301933742.

The spelling of 3865680980 in words is "three billion, eight hundred sixty-five million, six hundred eighty thousand, nine hundred eighty".