68250018775 has 6 divisors (see below), whose sum is σ = 84630023312. Its totient is φ = 54600015000.

The previous prime is 68250018721. The next prime is 68250018791. The reversal of 68250018775 is 57781005286.

It is not a de Polignac number, because 68250018775 - 2¹¹ = 68250016727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1365000351 + ... + 1365000400.

Almost surely, 2^68250018775 is an apocalyptic number.

68250018775 is a deficient number, since it is larger than the sum of its proper divisors (16380004537).

68250018775 is a wasteful number, since it uses less digits than its factorization.

68250018775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730000761 (or 2730000756 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 68250018775 in words is "sixty-eight billion, two hundred fifty million, eighteen thousand, seven hundred seventy-five".