206064377 has 2 divisors, whose sum is σ = 206064378. Its totient is φ = 206064376.

The previous prime is 206064323. The next prime is 206064389. The reversal of 206064377 is 773460602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 92236816 = 10669^2 + 9604^2 .

It is a cyclic number.

It is not a de Polignac number, because 206064377 - 2¹⁴ = 206047993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206061377) 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, 103032188 + 103032189.

It is an arithmetic number, because the mean of its divisors is an integer number (103032189).

Almost surely, 2^206064377 is an apocalyptic number.

It is an amenable number.

206064377 is a deficient number, since it is larger than the sum of its proper divisors (1).

206064377 is an equidigital number, since it uses as much as digits as its factorization.

206064377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 206064377 is about 14354.9425982830. The cubic root of 206064377 is about 590.6555740805.

The spelling of 206064377 in words is "two hundred six million, sixty-four thousand, three hundred seventy-seven".