227894857447 has 2 divisors, whose sum is σ = 227894857448. Its totient is φ = 227894857446.

The previous prime is 227894857417. The next prime is 227894857459. The reversal of 227894857447 is 744758498722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227894857447 - 2²³ = 227886468839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227894857417) 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 as a sum of consecutive naturals, namely, 113947428723 + 113947428724.

It is an arithmetic number, because the mean of its divisors is an integer number (113947428724).

Almost surely, 2^227894857447 is an apocalyptic number.

227894857447 is a deficient number, since it is larger than the sum of its proper divisors (1).

227894857447 is an equidigital number, since it uses as much as digits as its factorization.

227894857447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252887040, while the sum is 67.

The spelling of 227894857447 in words is "two hundred twenty-seven billion, eight hundred ninety-four million, eight hundred fifty-seven thousand, four hundred forty-seven".