27680125855 has 16 divisors (see below), whose sum is σ = 34076238624. Its totient is φ = 21577495680.

The previous prime is 27680125819. The next prime is 27680125867. The reversal of 27680125855 is 55852108672.

It is not a de Polignac number, because 27680125855 - 2¹⁵ = 27680093087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27680125799 and 27680125808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391452 + ... + 456721.

It is an arithmetic number, because the mean of its divisors is an integer number (2129764914).

Almost surely, 2^27680125855 is an apocalyptic number.

27680125855 is a deficient number, since it is larger than the sum of its proper divisors (6396112769).

27680125855 is a wasteful number, since it uses less digits than its factorization.

27680125855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848346.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 27680125855 in words is "twenty-seven billion, six hundred eighty million, one hundred twenty-five thousand, eight hundred fifty-five".