5705656679 has 2 divisors, whose sum is σ = 5705656680. Its totient is φ = 5705656678.

The previous prime is 5705656657. The next prime is 5705656717. The reversal of 5705656679 is 9766565075.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5705656679 - 2¹² = 5705652583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5705650679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852828339 + 2852828340.

It is an arithmetic number, because the mean of its divisors is an integer number (2852828340).

Almost surely, 2^5705656679 is an apocalyptic number.

5705656679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5705656679 is an equidigital number, since it uses as much as digits as its factorization.

5705656679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907000, while the sum is 56.

The square root of 5705656679 is about 75535.7973347737. The cubic root of 5705656679 is about 1786.9067055660.

The spelling of 5705656679 in words is "five billion, seven hundred five million, six hundred fifty-six thousand, six hundred seventy-nine".