3876286809 has 16 divisors (see below), whose sum is σ = 5252321088. Its totient is φ = 2542322112.

The previous prime is 3876286801. The next prime is 3876286831. The reversal of 3876286809 is 9086826783.

It is not a de Polignac number, because 3876286809 - 2³ = 3876286801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3876286801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148099 + ... + 172295.

It is an arithmetic number, because the mean of its divisors is an integer number (328270068).

Almost surely, 2^3876286809 is an apocalyptic number.

It is an amenable number.

3876286809 is a deficient number, since it is larger than the sum of its proper divisors (1376034279).

3876286809 is a wasteful number, since it uses less digits than its factorization.

3876286809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25064.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The square root of 3876286809 is about 62259.8330306145. The cubic root of 3876286809 is about 1570.8641717663.

The spelling of 3876286809 in words is "three billion, eight hundred seventy-six million, two hundred eighty-six thousand, eight hundred nine".