3877986312 has 108 divisors (see below), whose sum is σ = 10825772685. Its totient is φ = 1254088320.

The previous prime is 3877986311. The next prime is 3877986361. The reversal of 3877986312 is 2136897783.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2769495876 + 1108490436 = 52626^2 + 33294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44034.

It is a super-2 number, since 2×3877986312² = 30077555672118722688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3877986311) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21664639 + ... + 21664817.

Almost surely, 2^3877986312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3877986312

3877986312 is an abundant number, since it is smaller than the sum of its proper divisors (6947786373).

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

3877986312 is a wasteful number, since it uses less digits than its factorization.

3877986312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 225 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3877986312 is about 62273.4800055369. The cubic root of 3877986312 is about 1571.0937125990.

The spelling of 3877986312 in words is "three billion, eight hundred seventy-seven million, nine hundred eighty-six thousand, three hundred twelve".