68743745178 has 16 divisors (see below), whose sum is σ = 143465207616. Its totient is φ = 21918295520.

The previous prime is 68743745171. The next prime is 68743745179. The reversal of 68743745178 is 87154734786.

It is not an unprimeable number, because it can be changed into a prime (68743745171) 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, 249071403 + ... + 249071678.

It is an arithmetic number, because the mean of its divisors is an integer number (8966575476).

Almost surely, 2^68743745178 is an apocalyptic number.

68743745178 is an abundant number, since it is smaller than the sum of its proper divisors (74721462438).

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

68743745178 is a wasteful number, since it uses less digits than its factorization.

68743745178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498143109.

The product of its digits is 31610880, while the sum is 60.

The spelling of 68743745178 in words is "sixty-eight billion, seven hundred forty-three million, seven hundred forty-five thousand, one hundred seventy-eight".