3877871256 has 48 divisors (see below), whose sum is σ = 12002936400. Its totient is φ = 1107963072.

The previous prime is 3877871237. The next prime is 3877871273. The reversal of 3877871256 is 6521787783.

3877871256 is a `hidden beast` number, since 387 + 7 + 8 + 7 + 1 + 256 = 666.

It is a super-2 number, since 2×3877871256² = 30075770956222035072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3846591 + ... + 3847598.

It is an arithmetic number, because the mean of its divisors is an integer number (250061175).

Almost surely, 2^3877871256 is an apocalyptic number.

3877871256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3877871256 is an abundant number, since it is smaller than the sum of its proper divisors (8125065144).

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

3877871256 is a wasteful number, since it uses less digits than its factorization.

3877871256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694208 (or 7694201 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 3877871256 is about 62272.5562025520. The cubic root of 3877871256 is about 1571.0781748489.

The spelling of 3877871256 in words is "three billion, eight hundred seventy-seven million, eight hundred seventy-one thousand, two hundred fifty-six".