106655777 has 2 divisors, whose sum is σ = 106655778. Its totient is φ = 106655776.

The previous prime is 106655753. The next prime is 106655789. The reversal of 106655777 is 777556601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 6635776 = 10001^2 + 2576^2 .

It is a cyclic number.

It is not a de Polignac number, because 106655777 - 2⁶ = 106655713 is a prime.

It is a super-2 number, since 2×106655777² = 22750909534947458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106655077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53327888 + 53327889.

It is an arithmetic number, because the mean of its divisors is an integer number (53327889).

Almost surely, 2^106655777 is an apocalyptic number.

It is an amenable number.

106655777 is a deficient number, since it is larger than the sum of its proper divisors (1).

106655777 is an equidigital number, since it uses as much as digits as its factorization.

106655777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 106655777 is about 10327.4283827098. The cubic root of 106655777 is about 474.2363011401.

The spelling of 106655777 in words is "one hundred six million, six hundred fifty-five thousand, seven hundred seventy-seven".