5685679997 has 2 divisors, whose sum is σ = 5685679998. Its totient is φ = 5685679996.

The previous prime is 5685679991. The next prime is 5685680053. The reversal of 5685679997 is 7999765865.

5685679997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5338640356 + 347039641 = 73066^2 + 18629^2 .

It is a cyclic number.

It is not a de Polignac number, because 5685679997 - 2¹⁶ = 5685614461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5685679997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5685679991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842839998 + 2842839999.

It is an arithmetic number, because the mean of its divisors is an integer number (2842839999).

Almost surely, 2^5685679997 is an apocalyptic number.

It is an amenable number.

5685679997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685679997 is an equidigital number, since it uses as much as digits as its factorization.

5685679997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 257191200, while the sum is 71.

The square root of 5685679997 is about 75403.4481771225. The cubic root of 5685679997 is about 1784.8188238672.

The spelling of 5685679997 in words is "five billion, six hundred eighty-five million, six hundred seventy-nine thousand, nine hundred ninety-seven".