105803878 has 8 divisors (see below), whose sum is σ = 158833368. Its totient is φ = 52859424.

The previous prime is 105803851. The next prime is 105803879. The reversal of 105803878 is 878308501.

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

It is a super-2 number, since 2×105803878² = 22388921199677768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105803878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105803879) 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 in 3 ways as a sum of consecutive naturals, for example, 18051 + ... + 23182.

It is an arithmetic number, because the mean of its divisors is an integer number (19854171).

Almost surely, 2^105803878 is an apocalyptic number.

105803878 is a deficient number, since it is larger than the sum of its proper divisors (53029490).

105803878 is a wasteful number, since it uses less digits than its factorization.

105803878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42518.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 105803878 is about 10286.1012050242. The cubic root of 105803878 is about 472.9702910628.

The spelling of 105803878 in words is "one hundred five million, eight hundred three thousand, eight hundred seventy-eight".