3877871420 has 24 divisors (see below), whose sum is σ = 8246616000. Its totient is φ = 1531513152.

The previous prime is 3877871407. The next prime is 3877871449. The reversal of 3877871420 is 241787783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225595 + ... + 1228754.

It is an arithmetic number, because the mean of its divisors is an integer number (343609000).

Almost surely, 2^3877871420 is an apocalyptic number.

It is an amenable number.

3877871420 is an abundant number, since it is smaller than the sum of its proper divisors (4368744580).

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

3877871420 is a wasteful number, since it uses less digits than its factorization.

3877871420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454437 (or 2454435 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 3877871420 is about 62272.5575193439. The cubic root of 3877871420 is about 1571.0781969965.

The spelling of 3877871420 in words is "three billion, eight hundred seventy-seven million, eight hundred seventy-one thousand, four hundred twenty".