3966314687 has 4 divisors (see below), whose sum is σ = 3975148800. Its totient is φ = 3957480576.

The previous prime is 3966314683. The next prime is 3966314713. The reversal of 3966314687 is 7864136693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7864136693 = 7 ⋅1123448099.

It is a cyclic number.

It is not a de Polignac number, because 3966314687 - 2² = 3966314683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966314683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416383 + ... + 4417280.

It is an arithmetic number, because the mean of its divisors is an integer number (993787200).

Almost surely, 2^3966314687 is an apocalyptic number.

3966314687 is a deficient number, since it is larger than the sum of its proper divisors (8834113).

3966314687 is an equidigital number, since it uses as much as digits as its factorization.

3966314687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834112.

The product of its digits is 3919104, while the sum is 53.

The square root of 3966314687 is about 62978.6843860683. The cubic root of 3966314687 is about 1582.9324761721.

The spelling of 3966314687 in words is "three billion, nine hundred sixty-six million, three hundred fourteen thousand, six hundred eighty-seven".