5305786781771 has 8 divisors (see below), whose sum is σ = 6120426942720. Its totient is φ = 4505314276008.

The previous prime is 5305786781731. The next prime is 5305786781773. The reversal of 5305786781771 is 1771876875035.

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

It is not a de Polignac number, because 5305786781771 - 2⁶ = 5305786781707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5305786781698 and 5305786781707.

It is not an unprimeable number, because it can be changed into a prime (5305786781773) by changing a digit.

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, 3541912991 + ... + 3541914488.

It is an arithmetic number, because the mean of its divisors is an integer number (765053367840).

Almost surely, 2^{5305786781771} is an apocalyptic number.

5305786781771 is a deficient number, since it is larger than the sum of its proper divisors (814640160949).

5305786781771 is a wasteful number, since it uses less digits than its factorization.

5305786781771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083827593.

The product of its (nonzero) digits is 69148800, while the sum is 65.

The spelling of 5305786781771 in words is "five trillion, three hundred five billion, seven hundred eighty-six million, seven hundred eighty-one thousand, seven hundred seventy-one".