232779281568 has 96 divisors (see below), whose sum is σ = 622268075520. Its totient is φ = 76171687680.

The previous prime is 232779281563. The next prime is 232779281597. The reversal of 232779281568 is 865182977232.

232779281568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (232779281561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4089463 + ... + 4145993.

It is an arithmetic number, because the mean of its divisors is an integer number (6481959120).

Almost surely, 2^232779281568 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 232779281568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311134037760).

232779281568 is an abundant number, since it is smaller than the sum of its proper divisors (389488793952).

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

232779281568 is a wasteful number, since it uses less digits than its factorization.

232779281568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57330 (or 57322 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 232779281568 in words is "two hundred thirty-two billion, seven hundred seventy-nine million, two hundred eighty-one thousand, five hundred sixty-eight".