106443979 has 2 divisors, whose sum is σ = 106443980. Its totient is φ = 106443978.

The previous prime is 106443971. The next prime is 106444027. The reversal of 106443979 is 979344601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106443979 - 2³ = 106443971 is a prime.

It is a super-2 number, since 2×106443979² = 22660641330704882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106443971) 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, 53221989 + 53221990.

It is an arithmetic number, because the mean of its divisors is an integer number (53221990).

Almost surely, 2^106443979 is an apocalyptic number.

106443979 is a deficient number, since it is larger than the sum of its proper divisors (1).

106443979 is an equidigital number, since it uses as much as digits as its factorization.

106443979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 106443979 is about 10317.1691369290. The cubic root of 106443979 is about 473.9221788838.

The spelling of 106443979 in words is "one hundred six million, four hundred forty-three thousand, nine hundred seventy-nine".