68680673227 has 4 divisors (see below), whose sum is σ = 69976535040. Its totient is φ = 67384811416.

The previous prime is 68680673219. The next prime is 68680673249. The reversal of 68680673227 is 72237608686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68680673227 - 2³ = 68680673219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68680673827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647930827 + ... + 647930932.

It is an arithmetic number, because the mean of its divisors is an integer number (17494133760).

Almost surely, 2^68680673227 is an apocalyptic number.

68680673227 is a deficient number, since it is larger than the sum of its proper divisors (1295861813).

68680673227 is a wasteful number, since it uses less digits than its factorization.

68680673227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295861812.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 68680673227 in words is "sixty-eight billion, six hundred eighty million, six hundred seventy-three thousand, two hundred twenty-seven".