3988170971 has 2 divisors, whose sum is σ = 3988170972. Its totient is φ = 3988170970.

The previous prime is 3988170961. The next prime is 3988171001. The reversal of 3988170971 is 1790718893.

3988170971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3988170971 is a prime.

It is not a weakly prime, because it can be changed into another prime (3988170961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994085485 + 1994085486.

It is an arithmetic number, because the mean of its divisors is an integer number (1994085486).

Almost surely, 2^3988170971 is an apocalyptic number.

3988170971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988170971 is an equidigital number, since it uses as much as digits as its factorization.

3988170971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 53.

The square root of 3988170971 is about 63151.9672773541. The cubic root of 3988170971 is about 1585.8347225158.

The spelling of 3988170971 in words is "three billion, nine hundred eighty-eight million, one hundred seventy thousand, nine hundred seventy-one".