27886385453 has 2 divisors, whose sum is σ = 27886385454. Its totient is φ = 27886385452.

The previous prime is 27886385437. The next prime is 27886385467. The reversal of 27886385453 is 35458368872.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17790757924 + 10095627529 = 133382^2 + 100477^2 .

It is a cyclic number.

It is not a de Polignac number, because 27886385453 - 2⁴ = 27886385437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27886385392 and 27886385401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27886385473) 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, 13943192726 + 13943192727.

It is an arithmetic number, because the mean of its divisors is an integer number (13943192727).

Almost surely, 2^27886385453 is an apocalyptic number.

It is an amenable number.

27886385453 is a deficient number, since it is larger than the sum of its proper divisors (1).

27886385453 is an equidigital number, since it uses as much as digits as its factorization.

27886385453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38707200, while the sum is 59.

The spelling of 27886385453 in words is "twenty-seven billion, eight hundred eighty-six million, three hundred eighty-five thousand, four hundred fifty-three".