3877671538 has 12 divisors (see below), whose sum is σ = 6298348698. Its totient is φ = 1789694400.

The previous prime is 3877671493. The next prime is 3877671557. The reversal of 3877671538 is 8351767783.

It can be written as a sum of positive squares in 3 ways, for example, as 1847538289 + 2030133249 = 42983^2 + 45057^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5735863 + ... + 5736538.

Almost surely, 2^3877671538 is an apocalyptic number.

3877671538 is a deficient number, since it is larger than the sum of its proper divisors (2420677160).

3877671538 is a wasteful number, since it uses less digits than its factorization.

3877671538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472429 (or 11472416 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 3877671538 is about 62270.9526023169. The cubic root of 3877671538 is about 1571.0512031801.

The spelling of 3877671538 in words is "three billion, eight hundred seventy-seven million, six hundred seventy-one thousand, five hundred thirty-eight".