842333778813 has 16 divisors (see below), whose sum is σ = 1127442032640. Its totient is φ = 559391681856.

The previous prime is 842333778773. The next prime is 842333778827. The reversal of 842333778813 is 318877333248.

842333778813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842333778813 - 2⁸ = 842333778557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842333771813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3332548 + ... + 3576386.

It is an arithmetic number, because the mean of its divisors is an integer number (70465127040).

Almost surely, 2^842333778813 is an apocalyptic number.

It is an amenable number.

842333778813 is a deficient number, since it is larger than the sum of its proper divisors (285108253827).

842333778813 is a wasteful number, since it uses less digits than its factorization.

842333778813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248276.

The product of its digits is 16257024, while the sum is 57.

The spelling of 842333778813 in words is "eight hundred forty-two billion, three hundred thirty-three million, seven hundred seventy-eight thousand, eight hundred thirteen".