27882620247589 has 2 divisors, whose sum is σ = 27882620247590. Its totient is φ = 27882620247588.

The previous prime is 27882620247499. The next prime is 27882620247607. The reversal of 27882620247589 is 98574202628872.

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., 18464982468100 + 9417637779489 = 4297090^2 + 3068817^2 .

It is a cyclic number.

It is not a de Polignac number, because 27882620247589 - 2²⁷ = 27882486029861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27882620247289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13941310123794 + 13941310123795.

It is an arithmetic number, because the mean of its divisors is an integer number (13941310123795).

Almost surely, 2^{27882620247589} is an apocalyptic number.

It is an amenable number.

27882620247589 is a deficient number, since it is larger than the sum of its proper divisors (1).

27882620247589 is an equidigital number, since it uses as much as digits as its factorization.

27882620247589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 27882620247589 in words is "twenty-seven trillion, eight hundred eighty-two billion, six hundred twenty million, two hundred forty-seven thousand, five hundred eighty-nine".