68421075227 has 16 divisors (see below), whose sum is σ = 72713495232. Its totient is φ = 64158842880.

The previous prime is 68421075197. The next prime is 68421075269. The reversal of 68421075227 is 72257012486.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68421075227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68421075727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5300393 + ... + 5313285.

It is an arithmetic number, because the mean of its divisors is an integer number (4544593452).

Almost surely, 2^68421075227 is an apocalyptic number.

68421075227 is a deficient number, since it is larger than the sum of its proper divisors (4292420005).

68421075227 is a wasteful number, since it uses less digits than its factorization.

68421075227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 68421075227 in words is "sixty-eight billion, four hundred twenty-one million, seventy-five thousand, two hundred twenty-seven".