27800242527 has 16 divisors (see below), whose sum is σ = 38297530368. Its totient is φ = 17919313440.

The previous prime is 27800242517. The next prime is 27800242529. The reversal of 27800242527 is 72524200872.

It is a happy number.

It is not a de Polignac number, because 27800242527 - 2¹⁹ = 27799718239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800242529) 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 in 15 ways as a sum of consecutive naturals, for example, 32928 + ... + 238085.

It is an arithmetic number, because the mean of its divisors is an integer number (2393595648).

Almost surely, 2^27800242527 is an apocalyptic number.

27800242527 is a deficient number, since it is larger than the sum of its proper divisors (10497287841).

27800242527 is a wasteful number, since it uses less digits than its factorization.

27800242527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272150.

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 27800242527 in words is "twenty-seven billion, eight hundred million, two hundred forty-two thousand, five hundred twenty-seven".