178468742983 has 2 divisors, whose sum is σ = 178468742984. Its totient is φ = 178468742982.

The previous prime is 178468742971. The next prime is 178468743049. The reversal of 178468742983 is 389247864871.

178468742983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (389247864871) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 178468742983 - 2⁵ = 178468742951 is a prime.

It is a super-2 number, since 2×178468742983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (178468742183) 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 as a sum of consecutive naturals, namely, 89234371491 + 89234371492.

It is an arithmetic number, because the mean of its divisors is an integer number (89234371492).

Almost surely, 2^178468742983 is an apocalyptic number.

178468742983 is a deficient number, since it is larger than the sum of its proper divisors (1).

178468742983 is an equidigital number, since it uses as much as digits as its factorization.

178468742983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 67.

The spelling of 178468742983 in words is "one hundred seventy-eight billion, four hundred sixty-eight million, seven hundred forty-two thousand, nine hundred eighty-three".