27550231823 has 2 divisors, whose sum is σ = 27550231824. Its totient is φ = 27550231822.

The previous prime is 27550231789. The next prime is 27550231829. The reversal of 27550231823 is 32813205572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27550231823 - 2⁶ = 27550231759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27550231829) 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, 13775115911 + 13775115912.

It is an arithmetic number, because the mean of its divisors is an integer number (13775115912).

Almost surely, 2^27550231823 is an apocalyptic number.

27550231823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27550231823 is an equidigital number, since it uses as much as digits as its factorization.

27550231823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 27550231823 in words is "twenty-seven billion, five hundred fifty million, two hundred thirty-one thousand, eight hundred twenty-three".