206056679 has 2 divisors, whose sum is σ = 206056680. Its totient is φ = 206056678.

The previous prime is 206056673. The next prime is 206056703. The reversal of 206056679 is 976650602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206056679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206056673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103028339 + 103028340.

It is an arithmetic number, because the mean of its divisors is an integer number (103028340).

Almost surely, 2^206056679 is an apocalyptic number.

206056679 is a deficient number, since it is larger than the sum of its proper divisors (1).

206056679 is an equidigital number, since it uses as much as digits as its factorization.

206056679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 206056679 is about 14354.6744651350. The cubic root of 206056679 is about 590.6482188981.

The spelling of 206056679 in words is "two hundred six million, fifty-six thousand, six hundred seventy-nine".