68307172211 has 8 divisors (see below), whose sum is σ = 69373593744. Its totient is φ = 67242130560.

The previous prime is 68307172169. The next prime is 68307172217. The reversal of 68307172211 is 11227170386.

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 68307172211 - 2³⁰ = 67233430387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68307172217) 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, 244970 + ... + 443423.

It is an arithmetic number, because the mean of its divisors is an integer number (8671699218).

Almost surely, 2^68307172211 is an apocalyptic number.

68307172211 is a deficient number, since it is larger than the sum of its proper divisors (1066421533).

68307172211 is a wasteful number, since it uses less digits than its factorization.

68307172211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689941.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 68307172211 in words is "sixty-eight billion, three hundred seven million, one hundred seventy-two thousand, two hundred eleven".