68064670047 has 16 divisors (see below), whose sum is σ = 99013761792. Its totient is φ = 41246896320.

The previous prime is 68064670031. The next prime is 68064670067. The reversal of 68064670047 is 74007646086.

It is a happy number.

It is not a de Polignac number, because 68064670047 - 2⁴ = 68064670031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68064669978 and 68064670005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68064670067) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 216723 + ... + 427899.

It is an arithmetic number, because the mean of its divisors is an integer number (6188360112).

Almost surely, 2^68064670047 is an apocalyptic number.

68064670047 is a deficient number, since it is larger than the sum of its proper divisors (30949091745).

68064670047 is a wasteful number, since it uses less digits than its factorization.

68064670047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220958.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 68064670047 in words is "sixty-eight billion, sixty-four million, six hundred seventy thousand, forty-seven".