3971087177 has 2 divisors, whose sum is σ = 3971087178. Its totient is φ = 3971087176.

The previous prime is 3971087147. The next prime is 3971087179. The reversal of 3971087177 is 7717801793.

3971087177 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3940826176 + 30261001 = 62776^2 + 5501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3971087177 is a prime.

Together with 3971087179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3971087179) 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 as a sum of consecutive naturals, namely, 1985543588 + 1985543589.

It is an arithmetic number, because the mean of its divisors is an integer number (1985543589).

Almost surely, 2^3971087177 is an apocalyptic number.

It is an amenable number.

3971087177 is a deficient number, since it is larger than the sum of its proper divisors (1).

3971087177 is an equidigital number, since it uses as much as digits as its factorization.

3971087177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518616, while the sum is 50.

The square root of 3971087177 is about 63016.5627196533. The cubic root of 3971087177 is about 1583.5671124380.

The spelling of 3971087177 in words is "three billion, nine hundred seventy-one million, eighty-seven thousand, one hundred seventy-seven".