832398944881 has 9 divisors (see below), whose sum is σ = 968308242699. Its totient is φ = 713479335744.

The previous prime is 832398944873. The next prime is 832398944891. The reversal of 832398944881 is 188449893238.

The square root of 832398944881 is 912359.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 831990258225 + 408686656 = 912135^2 + 20216^2 .

It is not a de Polignac number, because 832398944881 - 2³ = 832398944873 is a prime.

It is a super-2 number, since 2×832398944881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (832398944831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6321345 + ... + 6451681.

Almost surely, 2^832398944881 is an apocalyptic number.

832398944881 is the 912359-th square number.

832398944881 is the 456180-th centered octagonal number.

It is an amenable number.

832398944881 is a deficient number, since it is larger than the sum of its proper divisors (135909297818).

832398944881 is an frugal number, since it uses more digits than its factorization.

832398944881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260688 (or 130344 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 67.

The spelling of 832398944881 in words is "eight hundred thirty-two billion, three hundred ninety-eight million, nine hundred forty-four thousand, eight hundred eighty-one".