27938963446223 has 2 divisors, whose sum is σ = 27938963446224. Its totient is φ = 27938963446222.

The previous prime is 27938963446217. The next prime is 27938963446279. The reversal of 27938963446223 is 32264436983972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27938963446223 - 2⁶ = 27938963446159 is a prime.

It is a super-2 number, since 2×27938963446223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27938963446283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13969481723111 + 13969481723112.

It is an arithmetic number, because the mean of its divisors is an integer number (13969481723112).

Almost surely, 2^{27938963446223} is an apocalyptic number.

27938963446223 is a deficient number, since it is larger than the sum of its proper divisors (1).

27938963446223 is an equidigital number, since it uses as much as digits as its factorization.

27938963446223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564350976, while the sum is 68.

The spelling of 27938963446223 in words is "twenty-seven trillion, nine hundred thirty-eight billion, nine hundred sixty-three million, four hundred forty-six thousand, two hundred twenty-three".