105768647 has 4 divisors (see below), whose sum is σ = 106106880. Its totient is φ = 105430416.

The previous prime is 105768631. The next prime is 105768653. The reversal of 105768647 is 746867501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746867501 = 79 ⋅9454019.

It is a cyclic number.

It is not a de Polignac number, because 105768647 - 2⁴ = 105768631 is a prime.

It is a super-2 number, since 2×105768647² = 22374013376421218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105768598 and 105768607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105762647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168647 + ... + 169272.

It is an arithmetic number, because the mean of its divisors is an integer number (26526720).

Almost surely, 2^105768647 is an apocalyptic number.

105768647 is a deficient number, since it is larger than the sum of its proper divisors (338233).

105768647 is an equidigital number, since it uses as much as digits as its factorization.

105768647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338232.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 105768647 is about 10284.3885088030. The cubic root of 105768647 is about 472.9177880528.

The spelling of 105768647 in words is "one hundred five million, seven hundred sixty-eight thousand, six hundred forty-seven".