68158227 has 4 divisors (see below), whose sum is σ = 90877640. Its totient is φ = 45438816.

The previous prime is 68158217. The next prime is 68158241. The reversal of 68158227 is 72285186.

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

It is not a de Polignac number, because 68158227 - 2⁷ = 68158099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68158217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11359702 + ... + 11359707.

It is an arithmetic number, because the mean of its divisors is an integer number (22719410).

Almost surely, 2^68158227 is an apocalyptic number.

68158227 is a deficient number, since it is larger than the sum of its proper divisors (22719413).

68158227 is a wasteful number, since it uses less digits than its factorization.

68158227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719412.

The product of its digits is 53760, while the sum is 39.

The square root of 68158227 is about 8255.7995978585. The cubic root of 68158227 is about 408.4818473337.

The spelling of 68158227 in words is "sixty-eight million, one hundred fifty-eight thousand, two hundred twenty-seven".