6843777419412 has 144 divisors (see below), whose sum is σ = 18889146494400. Its totient is φ = 2160660821760.

The previous prime is 6843777419383. The next prime is 6843777419417. The reversal of 6843777419412 is 2149147773486.

It is a happy number.

6843777419412 is a `hidden beast` number, since 6 + 8 + 4 + 377 + 74 + 194 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6843777419412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6843777419417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78648664 + ... + 78735632.

Almost surely, 2^{6843777419412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6843777419412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9444573247200).

6843777419412 is an abundant number, since it is smaller than the sum of its proper divisors (12045369074988).

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

6843777419412 is a wasteful number, since it uses less digits than its factorization.

6843777419412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91268 (or 91254 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 6843777419412 in words is "six trillion, eight hundred forty-three billion, seven hundred seventy-seven million, four hundred nineteen thousand, four hundred twelve".