6874844484785 has 16 divisors (see below), whose sum is σ = 8262799768080. Its totient is φ = 5491224372480.

The previous prime is 6874844484691. The next prime is 6874844484839. The reversal of 6874844484785 is 5874844484786.

It can be written as a sum of positive squares in 8 ways, for example, as 1456038008896 + 5418806475889 = 1206664^2 + 2327833^2 .

It is not a de Polignac number, because 6874844484785 - 2¹² = 6874844480689 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 8258975 + ... + 9053195.

It is an arithmetic number, because the mean of its divisors is an integer number (516424985505).

Almost surely, 2^{6874844484785} is an apocalyptic number.

It is an amenable number.

6874844484785 is a deficient number, since it is larger than the sum of its proper divisors (1387955283295).

6874844484785 is a wasteful number, since it uses less digits than its factorization.

6874844484785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796948.

The product of its digits is 6165626880, while the sum is 77.

Subtracting from 6874844484785 its reverse (5874844484786), we obtain a palindrome (999999999999).

The spelling of 6874844484785 in words is "six trillion, eight hundred seventy-four billion, eight hundred forty-four million, four hundred eighty-four thousand, seven hundred eighty-five".