68125864079 has 8 divisors (see below), whose sum is σ = 83847217440. Its totient is φ = 53901782496.

The previous prime is 68125864063. The next prime is 68125864099. The reversal of 68125864079 is 97046852186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68125864079 - 2⁴ = 68125864063 is a prime.

It is a super-2 number, since 2×68125864079² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68125864019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374317844 + ... + 374318025.

It is an arithmetic number, because the mean of its divisors is an integer number (10480902180).

Almost surely, 2^68125864079 is an apocalyptic number.

68125864079 is a deficient number, since it is larger than the sum of its proper divisors (15721353361).

68125864079 is a wasteful number, since it uses less digits than its factorization.

68125864079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748635889.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 68125864079 in words is "sixty-eight billion, one hundred twenty-five million, eight hundred sixty-four thousand, seventy-nine".