3857827212 has 36 divisors (see below), whose sum is σ = 9756910800. Its totient is φ = 1285259232.

The previous prime is 3857827139. The next prime is 3857827219. The reversal of 3857827212 is 2127287583.

3857827212 is a `hidden beast` number, since 3 + 8 + 578 + 2 + 72 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3857827219) 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 11 ways as a sum of consecutive naturals, for example, 42673 + ... + 97655.

It is an arithmetic number, because the mean of its divisors is an integer number (271025300).

Almost surely, 2^3857827212 is an apocalyptic number.

It is an amenable number.

3857827212 is an abundant number, since it is smaller than the sum of its proper divisors (5899083588).

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

3857827212 is a wasteful number, since it uses less digits than its factorization.

3857827212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56942 (or 56937 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 3857827212 is about 62111.4096764838. The cubic root of 3857827212 is about 1568.3666207443.

It can be divided in two parts, 38578272 and 12, that multiplied together give a palindrome (462939264).

The spelling of 3857827212 in words is "three billion, eight hundred fifty-seven million, eight hundred twenty-seven thousand, two hundred twelve".