106557679 has 2 divisors, whose sum is σ = 106557680. Its totient is φ = 106557678.

The previous prime is 106557673. The next prime is 106557697. The reversal of 106557679 is 976755601.

It is a happy number.

Together with next prime (106557697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106557679 - 2¹⁹ = 106033391 is a prime.

It is a super-2 number, since 2×106557679² = 22709077907734082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106557673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278839 + 53278840.

It is an arithmetic number, because the mean of its divisors is an integer number (53278840).

Almost surely, 2^106557679 is an apocalyptic number.

106557679 is a deficient number, since it is larger than the sum of its proper divisors (1).

106557679 is an equidigital number, since it uses as much as digits as its factorization.

106557679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 106557679 is about 10322.6778986850. The cubic root of 106557679 is about 474.0908615955.

The spelling of 106557679 in words is "one hundred six million, five hundred fifty-seven thousand, six hundred seventy-nine".