68047535176 has 8 divisors (see below), whose sum is σ = 127589128470. Its totient is φ = 34023767584.

The previous prime is 68047535167. The next prime is 68047535189. The reversal of 68047535176 is 67153574086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61170150276 + 6877384900 = 247326^2 + 82930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252970941 + ... + 4252970956.

Almost surely, 2^68047535176 is an apocalyptic number.

It is an amenable number.

68047535176 is a deficient number, since it is larger than the sum of its proper divisors (59541593294).

68047535176 is a wasteful number, since it uses less digits than its factorization.

68047535176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505941903 (or 8505941899 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 68047535176 in words is "sixty-eight billion, forty-seven million, five hundred thirty-five thousand, one hundred seventy-six".