3988683479771 has 2 divisors, whose sum is σ = 3988683479772. Its totient is φ = 3988683479770.

The previous prime is 3988683479747. The next prime is 3988683479773. The reversal of 3988683479771 is 1779743868893.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3988683479771 is a prime.

It is a Sophie Germain prime.

Together with 3988683479773, 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 (3988683479773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994341739885 + 1994341739886.

It is an arithmetic number, because the mean of its divisors is an integer number (1994341739886).

Almost surely, 2^{3988683479771} is an apocalyptic number.

3988683479771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988683479771 is an equidigital number, since it uses as much as digits as its factorization.

3988683479771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072577536, while the sum is 80.

The spelling of 3988683479771 in words is "three trillion, nine hundred eighty-eight billion, six hundred eighty-three million, four hundred seventy-nine thousand, seven hundred seventy-one".