3987416717 has 2 divisors, whose sum is σ = 3987416718. Its totient is φ = 3987416716.

The previous prime is 3987416701. The next prime is 3987416737. The reversal of 3987416717 is 7176147893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2896700041 + 1090716676 = 53821^2 + 33026^2 .

It is an emirp because it is prime and its reverse (7176147893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3987416717 - 2⁴ = 3987416701 is a prime.

It is a super-2 number, since 2×3987416717² = 31798984150022116178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3987416737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993708358 + 1993708359.

It is an arithmetic number, because the mean of its divisors is an integer number (1993708359).

Almost surely, 2^3987416717 is an apocalyptic number.

It is an amenable number.

3987416717 is a deficient number, since it is larger than the sum of its proper divisors (1).

3987416717 is an equidigital number, since it uses as much as digits as its factorization.

3987416717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 53.

The square root of 3987416717 is about 63145.9952570232. The cubic root of 3987416717 is about 1585.7347437198.

The spelling of 3987416717 in words is "three billion, nine hundred eighty-seven million, four hundred sixteen thousand, seven hundred seventeen".