677061065189 has 2 divisors, whose sum is σ = 677061065190. Its totient is φ = 677061065188.

The previous prime is 677061065179. The next prime is 677061065209. The reversal of 677061065189 is 981560160776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437727792100 + 239333273089 = 661610^2 + 489217^2 .

It is a cyclic number.

It is not a de Polignac number, because 677061065189 - 2¹⁶ = 677060999653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677061065179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338530532594 + 338530532595.

It is an arithmetic number, because the mean of its divisors is an integer number (338530532595).

Almost surely, 2^677061065189 is an apocalyptic number.

It is an amenable number.

677061065189 is a deficient number, since it is larger than the sum of its proper divisors (1).

677061065189 is an equidigital number, since it uses as much as digits as its factorization.

677061065189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 677061065189 in words is "six hundred seventy-seven billion, sixty-one million, sixty-five thousand, one hundred eighty-nine".