2066677759 has 2 divisors, whose sum is σ = 2066677760. Its totient is φ = 2066677758.

The previous prime is 2066677757. The next prime is 2066677763. The reversal of 2066677759 is 9577766602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066677759 - 2¹ = 2066677757 is a prime.

Together with 2066677757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066677751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033338879 + 1033338880.

It is an arithmetic number, because the mean of its divisors is an integer number (1033338880).

Almost surely, 2^2066677759 is an apocalyptic number.

2066677759 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066677759 is an equidigital number, since it uses as much as digits as its factorization.

2066677759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The square root of 2066677759 is about 45460.7276558570. The cubic root of 2066677759 is about 1273.7697237308.

The spelling of 2066677759 in words is "two billion, sixty-six million, six hundred seventy-seven thousand, seven hundred fifty-nine".