206868379 has 2 divisors, whose sum is σ = 206868380. Its totient is φ = 206868378.

The previous prime is 206868367. The next prime is 206868413. The reversal of 206868379 is 973868602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206868379 - 2¹³ = 206860187 is a prime.

It is not a weakly prime, because it can be changed into another prime (206863379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103434189 + 103434190.

It is an arithmetic number, because the mean of its divisors is an integer number (103434190).

Almost surely, 2^206868379 is an apocalyptic number.

206868379 is a deficient number, since it is larger than the sum of its proper divisors (1).

206868379 is an equidigital number, since it uses as much as digits as its factorization.

206868379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 206868379 is about 14382.9196966402. The cubic root of 206868379 is about 591.4227647044.

The spelling of 206868379 in words is "two hundred six million, eight hundred sixty-eight thousand, three hundred seventy-nine".