609968377 has 2 divisors, whose sum is σ = 609968378. Its totient is φ = 609968376.

The previous prime is 609968351. The next prime is 609968389. The reversal of 609968377 is 773869906.

609968377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601034256 + 8934121 = 24516^2 + 2989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609968377 is a prime.

It is a super-2 number, since 2×609968377² = 744122841880028258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (609918377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304984188 + 304984189.

It is an arithmetic number, because the mean of its divisors is an integer number (304984189).

Almost surely, 2^609968377 is an apocalyptic number.

It is an amenable number.

609968377 is a deficient number, since it is larger than the sum of its proper divisors (1).

609968377 is an equidigital number, since it uses as much as digits as its factorization.

609968377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 609968377 is about 24697.5378732375. The cubic root of 609968377 is about 848.0779532772.

The spelling of 609968377 in words is "six hundred nine million, nine hundred sixty-eight thousand, three hundred seventy-seven".