78317327068 has 6 divisors (see below), whose sum is σ = 137055322376. Its totient is φ = 39158663532.

The previous prime is 78317327051. The next prime is 78317327107. The reversal of 78317327068 is 86072371387.

It is a super-2 number, since 2×78317327068² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9789665880 + ... + 9789665887.

Almost surely, 2^78317327068 is an apocalyptic number.

It is an amenable number.

78317327068 is a deficient number, since it is larger than the sum of its proper divisors (58737995308).

78317327068 is a wasteful number, since it uses less digits than its factorization.

78317327068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19579331771 (or 19579331769 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 78317327068 in words is "seventy-eight billion, three hundred seventeen million, three hundred twenty-seven thousand, sixty-eight".