68775136800 has 144 divisors (see below), whose sum is σ = 231084709632. Its totient is φ = 17748403200.

The previous prime is 68775136747. The next prime is 68775136867. The reversal of 68775136800 is 863157786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387799 + ... + 536598.

It is an arithmetic number, because the mean of its divisors is an integer number (1604754928).

Almost surely, 2^68775136800 is an apocalyptic number.

68775136800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68775136800 is an abundant number, since it is smaller than the sum of its proper divisors (162309572832).

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

68775136800 is a wasteful number, since it uses less digits than its factorization.

68775136800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924451 (or 924438 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 68775136800 in words is "sixty-eight billion, seven hundred seventy-five million, one hundred thirty-six thousand, eight hundred".