3977543876 has 12 divisors (see below), whose sum is σ = 7002383808. Its totient is φ = 1976862792.

The previous prime is 3977543863. The next prime is 3977543887. The reversal of 3977543876 is 6783457793.

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, 2976536 + ... + 2977871.

It is an arithmetic number, because the mean of its divisors is an integer number (583531984).

Almost surely, 2^3977543876 is an apocalyptic number.

It is an amenable number.

3977543876 is a deficient number, since it is larger than the sum of its proper divisors (3024839932).

3977543876 is a wasteful number, since it uses less digits than its factorization.

3977543876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954578 (or 5954576 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 59.

The square root of 3977543876 is about 63067.7720868591. The cubic root of 3977543876 is about 1584.4249026973.

The spelling of 3977543876 in words is "three billion, nine hundred seventy-seven million, five hundred forty-three thousand, eight hundred seventy-six".