27925388873 has 2 divisors, whose sum is σ = 27925388874. Its totient is φ = 27925388872.

The previous prime is 27925388863. The next prime is 27925388891. The reversal of 27925388873 is 37888352972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19620165184 + 8305223689 = 140072^2 + 91133^2 .

It is a cyclic number.

It is not a de Polignac number, because 27925388873 - 2¹⁰ = 27925387849 is a prime.

It is not a weakly prime, because it can be changed into another prime (27925388863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962694436 + 13962694437.

It is an arithmetic number, because the mean of its divisors is an integer number (13962694437).

Almost surely, 2^27925388873 is an apocalyptic number.

It is an amenable number.

27925388873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27925388873 is an equidigital number, since it uses as much as digits as its factorization.

27925388873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 62.

The spelling of 27925388873 in words is "twenty-seven billion, nine hundred twenty-five million, three hundred eighty-eight thousand, eight hundred seventy-three".