3887706843 has 6 divisors (see below), whose sum is σ = 5615576564. Its totient is φ = 2591804556.

The previous prime is 3887706833. The next prime is 3887706871. The reversal of 3887706843 is 3486077883.

It is not a de Polignac number, because 3887706843 - 2¹⁰ = 3887705819 is a prime.

It is a super-2 number, since 2×3887706843² = 30228528994218053298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3887706843.

It is not an unprimeable number, because it can be changed into a prime (3887706833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215983705 + ... + 215983722.

Almost surely, 2^3887706843 is an apocalyptic number.

3887706843 is a deficient number, since it is larger than the sum of its proper divisors (1727869721).

3887706843 is a wasteful number, since it uses less digits than its factorization.

3887706843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431967433 (or 431967430 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 3887706843 is about 62351.4782743761. The cubic root of 3887706843 is about 1572.4053145091.

The spelling of 3887706843 in words is "three billion, eight hundred eighty-seven million, seven hundred six thousand, eight hundred forty-three".