105948779 has 2 divisors, whose sum is σ = 105948780. Its totient is φ = 105948778.

The previous prime is 105948751. The next prime is 105948809. The reversal of 105948779 is 977849501.

It is a weak prime.

It is an emirp because it is prime and its reverse (977849501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105948779 - 2²⁰ = 104900203 is a prime.

It is a super-2 number, since 2×105948779² = 22450287543181682, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105948079) 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, 52974389 + 52974390.

It is an arithmetic number, because the mean of its divisors is an integer number (52974390).

Almost surely, 2^105948779 is an apocalyptic number.

105948779 is a deficient number, since it is larger than the sum of its proper divisors (1).

105948779 is an equidigital number, since it uses as much as digits as its factorization.

105948779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 105948779 is about 10293.1423287546. The cubic root of 105948779 is about 473.1861073667.

The spelling of 105948779 in words is "one hundred five million, nine hundred forty-eight thousand, seven hundred seventy-nine".