68843550288 has 40 divisors (see below), whose sum is σ = 187206148000. Its totient is φ = 21740068224.

The previous prime is 68843550287. The next prime is 68843550313. The reversal of 68843550288 is 88205534886.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68843550287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37742263 + ... + 37744086.

It is an arithmetic number, because the mean of its divisors is an integer number (4680153700).

Almost surely, 2^68843550288 is an apocalyptic number.

It is an amenable number.

68843550288 is an abundant number, since it is smaller than the sum of its proper divisors (118362597712).

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

68843550288 is a wasteful number, since it uses less digits than its factorization.

68843550288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75486379 (or 75486373 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 68843550288 in words is "sixty-eight billion, eight hundred forty-three million, five hundred fifty thousand, two hundred eighty-eight".