105438773783 has 16 divisors (see below), whose sum is σ = 120783697920. Its totient is φ = 90164594016.

The previous prime is 105438773771. The next prime is 105438773789. The reversal of 105438773783 is 387377834501.

It is not a de Polignac number, because 105438773783 - 2¹⁰ = 105438772759 is a prime.

It is a super-2 number, since 2×105438773783² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105438773789) 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 15 ways as a sum of consecutive naturals, for example, 8349248 + ... + 8361866.

It is an arithmetic number, because the mean of its divisors is an integer number (7548981120).

Almost surely, 2^105438773783 is an apocalyptic number.

105438773783 is a deficient number, since it is larger than the sum of its proper divisors (15344924137).

105438773783 is a wasteful number, since it uses less digits than its factorization.

105438773783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 105438773783 in words is "one hundred five billion, four hundred thirty-eight million, seven hundred seventy-three thousand, seven hundred eighty-three".