226579783679 has 4 divisors (see below), whose sum is σ = 226615932840. Its totient is φ = 226543634520.

The previous prime is 226579783657. The next prime is 226579783691. The reversal of 226579783679 is 976387975622.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226579783679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226579783699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18065177 + ... + 18077714.

It is an arithmetic number, because the mean of its divisors is an integer number (56653983210).

Almost surely, 2^226579783679 is an apocalyptic number.

226579783679 is a deficient number, since it is larger than the sum of its proper divisors (36149161).

226579783679 is an equidigital number, since it uses as much as digits as its factorization.

226579783679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36149160.

The product of its digits is 480090240, while the sum is 71.

The spelling of 226579783679 in words is "two hundred twenty-six billion, five hundred seventy-nine million, seven hundred eighty-three thousand, six hundred seventy-nine".