843997496328 has 384 divisors, whose sum is σ = 2782369873920. Its totient is φ = 226003530240.

The previous prime is 843997496317. The next prime is 843997496357. The reversal of 843997496328 is 823694799348.

843997496328 is a `hidden beast` number, since 8 + 43 + 9 + 97 + 496 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128910351 + ... + 128916897.

It is an arithmetic number, because the mean of its divisors is an integer number (7245754880).

Almost surely, 2^843997496328 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 843997496328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391184936960).

843997496328 is an abundant number, since it is smaller than the sum of its proper divisors (1938372377592).

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

843997496328 is a wasteful number, since it uses less digits than its factorization.

843997496328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857 (or 6850 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 72.

The spelling of 843997496328 in words is "eight hundred forty-three billion, nine hundred ninety-seven million, four hundred ninety-six thousand, three hundred twenty-eight".