105779405 has 8 divisors (see below), whose sum is σ = 127023072. Its totient is φ = 84565008.

The previous prime is 105779393. The next prime is 105779449. The reversal of 105779405 is 504977501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105779405 - 2¹⁶ = 105713869 is a prime.

It is a super-2 number, since 2×105779405² = 22378565044308050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (15877884).

Almost surely, 2^105779405 is an apocalyptic number.

It is an amenable number.

105779405 is a deficient number, since it is larger than the sum of its proper divisors (21243667).

105779405 is a wasteful number, since it uses less digits than its factorization.

105779405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 105779405 is about 10284.9115212529. The cubic root of 105779405 is about 472.9338214024.

The spelling of 105779405 in words is "one hundred five million, seven hundred seventy-nine thousand, four hundred five".