105547342838 has 16 divisors (see below), whose sum is σ = 188805185280. Its totient is φ = 43267854696.

The previous prime is 105547342829. The next prime is 105547342853. The reversal of 105547342838 is 838243745501.

It is a super-2 number, since 2×105547342838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163893068 + ... + 163893711.

It is an arithmetic number, because the mean of its divisors is an integer number (11800324080).

Almost surely, 2^105547342838 is an apocalyptic number.

105547342838 is a deficient number, since it is larger than the sum of its proper divisors (83257842442).

105547342838 is a wasteful number, since it uses less digits than its factorization.

105547342838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327786811.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 105547342838 in words is "one hundred five billion, five hundred forty-seven million, three hundred forty-two thousand, eight hundred thirty-eight".