1066938877 has 2 divisors, whose sum is σ = 1066938878. Its totient is φ = 1066938876.

The previous prime is 1066938827. The next prime is 1066938883. The reversal of 1066938877 is 7788396601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007046756 + 59892121 = 31734^2 + 7739^2 .

It is an emirp because it is prime and its reverse (7788396601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1066938877 - 2¹⁹ = 1066414589 is a prime.

It is a super-2 number, since 2×1066938877² = 2276717134508042258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066938827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533469438 + 533469439.

It is an arithmetic number, because the mean of its divisors is an integer number (533469439).

Almost surely, 2^1066938877 is an apocalyptic number.

It is an amenable number.

1066938877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066938877 is an equidigital number, since it uses as much as digits as its factorization.

1066938877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1066938877 is about 32664.0303238899. The cubic root of 1066938877 is about 1021.8328180264.

The spelling of 1066938877 in words is "one billion, sixty-six million, nine hundred thirty-eight thousand, eight hundred seventy-seven".