106776689 has 2 divisors, whose sum is σ = 106776690. Its totient is φ = 106776688.

The previous prime is 106776673. The next prime is 106776707. The reversal of 106776689 is 986677601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 2226064 = 10225^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 106776689 - 2⁴ = 106776673 is a prime.

It is a super-2 number, since 2×106776689² = 22802522627605442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106776619) 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, 53388344 + 53388345.

It is an arithmetic number, because the mean of its divisors is an integer number (53388345).

Almost surely, 2^106776689 is an apocalyptic number.

It is an amenable number.

106776689 is a deficient number, since it is larger than the sum of its proper divisors (1).

106776689 is an equidigital number, since it uses as much as digits as its factorization.

106776689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 106776689 is about 10333.2806504033. The cubic root of 106776689 is about 474.4154419437.

The spelling of 106776689 in words is "one hundred six million, seven hundred seventy-six thousand, six hundred eighty-nine".