227170738776869 has 2 divisors, whose sum is σ = 227170738776870. Its totient is φ = 227170738776868.

The previous prime is 227170738776841. The next prime is 227170738776973. The reversal of 227170738776869 is 968677837071722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166746343780900 + 60424394995969 = 12913030^2 + 7773313^2 .

It is a cyclic number.

It is not a de Polignac number, because 227170738776869 - 2¹² = 227170738772773 is a prime.

It is a super-2 number, since 2×227170738776869² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227170738776793 and 227170738776802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227170738772869) 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, 113585369388434 + 113585369388435.

It is an arithmetic number, because the mean of its divisors is an integer number (113585369388435).

Almost surely, 2^{227170738776869} is an apocalyptic number.

It is an amenable number.

227170738776869 is a deficient number, since it is larger than the sum of its proper divisors (1).

227170738776869 is an equidigital number, since it uses as much as digits as its factorization.

227170738776869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4182119424, while the sum is 80.

The spelling of 227170738776869 in words is "two hundred twenty-seven trillion, one hundred seventy billion, seven hundred thirty-eight million, seven hundred seventy-six thousand, eight hundred sixty-nine".