178742068388 has 24 divisors (see below), whose sum is σ = 338103104640. Its totient is φ = 82191918240.

The previous prime is 178742068387. The next prime is 178742068399. The reversal of 178742068388 is 883860247871.

178742068388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 178742068388.

It is not an unprimeable number, because it can be changed into a prime (178742068387) 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 7 ways as a sum of consecutive naturals, for example, 6327878 + ... + 6356061.

It is an arithmetic number, because the mean of its divisors is an integer number (14087629360).

Almost surely, 2^178742068388 is an apocalyptic number.

It is an amenable number.

178742068388 is a deficient number, since it is larger than the sum of its proper divisors (159361036252).

178742068388 is a wasteful number, since it uses less digits than its factorization.

178742068388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684227 (or 12684225 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 62.

The spelling of 178742068388 in words is "one hundred seventy-eight billion, seven hundred forty-two million, sixty-eight thousand, three hundred eighty-eight".