3877881911 has 2 divisors, whose sum is σ = 3877881912. Its totient is φ = 3877881910.

The previous prime is 3877881877. The next prime is 3877881913. The reversal of 3877881911 is 1191887783.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3877881911 is a prime.

It is a super-2 number, since 2×3877881911² = 30075936231322023842, which contains 22 as substring.

Together with 3877881913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3877881913) 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 as a sum of consecutive naturals, namely, 1938940955 + 1938940956.

It is an arithmetic number, because the mean of its divisors is an integer number (1938940956).

Almost surely, 2^3877881911 is an apocalyptic number.

3877881911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3877881911 is an equidigital number, since it uses as much as digits as its factorization.

3877881911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 53.

The square root of 3877881911 is about 62272.6417538232. The cubic root of 3877881911 is about 1571.0796137675.

The spelling of 3877881911 in words is "three billion, eight hundred seventy-seven million, eight hundred eighty-one thousand, nine hundred eleven".