3877211869 has 8 divisors (see below), whose sum is σ = 4036460760. Its totient is φ = 3719666496.

The previous prime is 3877211857. The next prime is 3877211903. The reversal of 3877211869 is 9681127783.

3877211869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28622500 + 3848589369 = 5350^2 + 62037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3877211869 - 2⁹ = 3877211357 is a prime.

It is a super-2 number, since 2×3877211869² = 30065543754228946322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877311869) by changing a digit.

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, 421234 + ... + 430339.

It is an arithmetic number, because the mean of its divisors is an integer number (504557595).

Almost surely, 2^3877211869 is an apocalyptic number.

It is an amenable number.

3877211869 is a deficient number, since it is larger than the sum of its proper divisors (159248891).

3877211869 is a wasteful number, since it uses less digits than its factorization.

3877211869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851759.

The product of its digits is 1016064, while the sum is 52.

The square root of 3877211869 is about 62267.2616147523. The cubic root of 3877211869 is about 1570.9891219314.

The spelling of 3877211869 in words is "three billion, eight hundred seventy-seven million, two hundred eleven thousand, eight hundred sixty-nine".