27773820103 has 2 divisors, whose sum is σ = 27773820104. Its totient is φ = 27773820102.

The previous prime is 27773820089. The next prime is 27773820163. The reversal of 27773820103 is 30102837772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27773820103 - 2⁵ = 27773820071 is a prime.

It is a super-2 number, since 2×27773820103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27773820163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13886910051 + 13886910052.

It is an arithmetic number, because the mean of its divisors is an integer number (13886910052).

Almost surely, 2^27773820103 is an apocalyptic number.

27773820103 is a deficient number, since it is larger than the sum of its proper divisors (1).

27773820103 is an equidigital number, since it uses as much as digits as its factorization.

27773820103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 27773820103 in words is "twenty-seven billion, seven hundred seventy-three million, eight hundred twenty thousand, one hundred three".