105778338 has 16 divisors (see below), whose sum is σ = 217274880. Its totient is φ = 34306416.

The previous prime is 105778307. The next prime is 105778363. The reversal of 105778338 is 833877501.

It is a super-2 number, since 2×105778338² = 22378113580084488, 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 105778338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238018 + ... + 238461.

It is an arithmetic number, because the mean of its divisors is an integer number (13579680).

Almost surely, 2^105778338 is an apocalyptic number.

105778338 is an abundant number, since it is smaller than the sum of its proper divisors (111496542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105778338 is a wasteful number, since it uses less digits than its factorization.

105778338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476521.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 105778338 is about 10284.8596490181. The cubic root of 105778338 is about 472.9322312312.

It can be divided in two parts, 10577 and 8338, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 105778338 in words is "one hundred five million, seven hundred seventy-eight thousand, three hundred thirty-eight".