243328708868 has 24 divisors (see below), whose sum is σ = 486732117312. Its totient is φ = 104267725344.

The previous prime is 243328708829. The next prime is 243328708873. The reversal of 243328708868 is 868807823342.

It is a happy number.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480371 + ... + 847002.

It is an arithmetic number, because the mean of its divisors is an integer number (20280504888).

Almost surely, 2^243328708868 is an apocalyptic number.

243328708868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243328708868 is an abundant number, since it is smaller than the sum of its proper divisors (243403408444).

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

243328708868 is a wasteful number, since it uses less digits than its factorization.

243328708868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333931 (or 1333929 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 59.

The spelling of 243328708868 in words is "two hundred forty-three billion, three hundred twenty-eight million, seven hundred eight thousand, eight hundred sixty-eight".