5687113861 has 12 divisors (see below), whose sum is σ = 6731982796. Its totient is φ = 4772401920.

The previous prime is 5687113849. The next prime is 5687113867. The reversal of 5687113861 is 1683117865.

It can be written as a sum of positive squares in 2 ways, for example, as 1067328900 + 4619784961 = 32670^2 + 67969^2 .

It is not a de Polignac number, because 5687113861 - 2²¹ = 5685016709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687113867) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 1806156 + ... + 1809301.

Almost surely, 2^5687113861 is an apocalyptic number.

It is an amenable number.

5687113861 is a deficient number, since it is larger than the sum of its proper divisors (1044868935).

5687113861 is a wasteful number, since it uses less digits than its factorization.

5687113861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615492 (or 3615481 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 5687113861 is about 75412.9555248964. The cubic root of 5687113861 is about 1784.9688482769.

The spelling of 5687113861 in words is "five billion, six hundred eighty-seven million, one hundred thirteen thousand, eight hundred sixty-one".