228261874679 has 2 divisors, whose sum is σ = 228261874680. Its totient is φ = 228261874678.

The previous prime is 228261874669. The next prime is 228261874697. The reversal of 228261874679 is 976478162822.

Together with next prime (228261874697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228261874679 - 2²⁰ = 228260826103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228261874639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114130937339 + 114130937340.

It is an arithmetic number, because the mean of its divisors is an integer number (114130937340).

Almost surely, 2^228261874679 is an apocalyptic number.

228261874679 is a deficient number, since it is larger than the sum of its proper divisors (1).

228261874679 is an equidigital number, since it uses as much as digits as its factorization.

228261874679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 62.

The spelling of 228261874679 in words is "two hundred twenty-eight billion, two hundred sixty-one million, eight hundred seventy-four thousand, six hundred seventy-nine".