5685447685 has 8 divisors (see below), whose sum is σ = 6915997080. Its totient is φ = 4486051584.

The previous prime is 5685447611. The next prime is 5685447701. The reversal of 5685447685 is 5867445865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 306985441 + 5378462244 = 17521^2 + 73338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5685447685 - 2¹¹ = 5685445637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7787920 + ... + 7788649.

It is an arithmetic number, because the mean of its divisors is an integer number (864499635).

Almost surely, 2^5685447685 is an apocalyptic number.

It is an amenable number.

5685447685 is a deficient number, since it is larger than the sum of its proper divisors (1230549395).

5685447685 is a wasteful number, since it uses less digits than its factorization.

5685447685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15576647.

The product of its digits is 32256000, while the sum is 58.

The square root of 5685447685 is about 75401.9077013307. The cubic root of 5685447685 is about 1784.7945148149.

The spelling of 5685447685 in words is "five billion, six hundred eighty-five million, four hundred forty-seven thousand, six hundred eighty-five".