3971887714 has 4 divisors (see below), whose sum is σ = 5957831574. Its totient is φ = 1985943856.

The previous prime is 3971887709. The next prime is 3971887723. The reversal of 3971887714 is 4177881793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2786256225 + 1185631489 = 52785^2 + 34433^2 .

It is an unprimeable number.

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, 992971927 + ... + 992971930.

Almost surely, 2^3971887714 is an apocalyptic number.

3971887714 is a deficient number, since it is larger than the sum of its proper divisors (1985943860).

3971887714 is a wasteful number, since it uses less digits than its factorization.

3971887714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985943859.

The product of its digits is 2370816, while the sum is 55.

The square root of 3971887714 is about 63022.9141979328. The cubic root of 3971887714 is about 1583.6735164556.

The spelling of 3971887714 in words is "three billion, nine hundred seventy-one million, eight hundred eighty-seven thousand, seven hundred fourteen".