106655789 has 2 divisors, whose sum is σ = 106655790. Its totient is φ = 106655788.

The previous prime is 106655777. The next prime is 106655821. The reversal of 106655789 is 987556601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 46717225 = 7742^2 + 6835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106655789 is a prime.

It is a super-2 number, since 2×106655789² = 22750914654425042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106654789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53327894 + 53327895.

It is an arithmetic number, because the mean of its divisors is an integer number (53327895).

Almost surely, 2^106655789 is an apocalyptic number.

It is an amenable number.

106655789 is a deficient number, since it is larger than the sum of its proper divisors (1).

106655789 is an equidigital number, since it uses as much as digits as its factorization.

106655789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 106655789 is about 10327.4289636869. The cubic root of 106655789 is about 474.2363189258.

The spelling of 106655789 in words is "one hundred six million, six hundred fifty-five thousand, seven hundred eighty-nine".