199777224949223 has 2 divisors, whose sum is σ = 199777224949224. Its totient is φ = 199777224949222.

The previous prime is 199777224949177. The next prime is 199777224949283. The reversal of 199777224949223 is 322949422777991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199777224949223 - 2¹² = 199777224945127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199777224949283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99888612474611 + 99888612474612.

It is an arithmetic number, because the mean of its divisors is an integer number (99888612474612).

Almost surely, 2^{199777224949223} is an apocalyptic number.

199777224949223 is a deficient number, since it is larger than the sum of its proper divisors (1).

199777224949223 is an equidigital number, since it uses as much as digits as its factorization.

199777224949223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728324864, while the sum is 77.

The spelling of 199777224949223 in words is "one hundred ninety-nine trillion, seven hundred seventy-seven billion, two hundred twenty-four million, nine hundred forty-nine thousand, two hundred twenty-three".