842843771232 has 144 divisors (see below), whose sum is σ = 2306206002240. Its totient is φ = 269446804480.

The previous prime is 842843771227. The next prime is 842843771233. The reversal of 842843771232 is 232177348248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842843771233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9476923 + ... + 9565445.

It is an arithmetic number, because the mean of its divisors is an integer number (16015319460).

Almost surely, 2^842843771232 is an apocalyptic number.

842843771232 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842843771232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153103001120).

842843771232 is an abundant number, since it is smaller than the sum of its proper divisors (1463362231008).

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

842843771232 is a wasteful number, since it uses less digits than its factorization.

842843771232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88677 (or 88628 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 51.

The spelling of 842843771232 in words is "eight hundred forty-two billion, eight hundred forty-three million, seven hundred seventy-one thousand, two hundred thirty-two".