227199206887 has 2 divisors, whose sum is σ = 227199206888. Its totient is φ = 227199206886.

The previous prime is 227199206879. The next prime is 227199206909. The reversal of 227199206887 is 788602991722.

227199206887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227199206887 - 2³ = 227199206879 is a prime.

It is a super-2 number, since 2×227199206887² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227199906887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113599603443 + 113599603444.

It is an arithmetic number, because the mean of its divisors is an integer number (113599603444).

Almost surely, 2^227199206887 is an apocalyptic number.

227199206887 is a deficient number, since it is larger than the sum of its proper divisors (1).

227199206887 is an equidigital number, since it uses as much as digits as its factorization.

227199206887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 227199206887 in words is "two hundred twenty-seven billion, one hundred ninety-nine million, two hundred six thousand, eight hundred eighty-seven".