3871656652 has 12 divisors (see below), whose sum is σ = 6776491176. Its totient is φ = 1935516320.

The previous prime is 3871656643. The next prime is 3871656671. The reversal of 3871656652 is 2566561783.

3871656652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3871656596 and 3871656605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48874 + ... + 100657.

It is an arithmetic number, because the mean of its divisors is an integer number (564707598).

Almost surely, 2^3871656652 is an apocalyptic number.

It is an amenable number.

3871656652 is a deficient number, since it is larger than the sum of its proper divisors (2904834524).

3871656652 is a wasteful number, since it uses less digits than its factorization.

3871656652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156008 (or 156006 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 3871656652 is about 62222.6377775806. The cubic root of 3871656652 is about 1570.2384659483.

The spelling of 3871656652 in words is "three billion, eight hundred seventy-one million, six hundred fifty-six thousand, six hundred fifty-two".