27840551325 has 24 divisors (see below), whose sum is σ = 48452330400. Its totient is φ = 14066804160.

The previous prime is 27840551303. The next prime is 27840551327. The reversal of 27840551325 is 52315504872.

It is not a de Polignac number, because 27840551325 - 2⁵ = 27840551293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27840551327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9767190 + ... + 9770039.

It is an arithmetic number, because the mean of its divisors is an integer number (2018847100).

Almost surely, 2^27840551325 is an apocalyptic number.

27840551325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27840551325 is a deficient number, since it is larger than the sum of its proper divisors (20611779075).

27840551325 is a wasteful number, since it uses less digits than its factorization.

27840551325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537261 (or 19537256 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 27840551325 in words is "twenty-seven billion, eight hundred forty million, five hundred fifty-one thousand, three hundred twenty-five".