27687385489410 has 64 divisors (see below), whose sum is σ = 75828515241600. Its totient is φ = 7183754070336.

The previous prime is 27687385489391. The next prime is 27687385489411. The reversal of 27687385489410 is 1498458378672.

It is a happy number.

27687385489410 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 7 + 38 + 548 + 9 + 41 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (27687385489411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1385745040 + ... + 1385765019.

It is an arithmetic number, because the mean of its divisors is an integer number (1184820550650).

It is a 1-persistent number, because it is pandigital, but 2⋅27687385489410 = 55374770978820 is not.

Almost surely, 2^{27687385489410} is an apocalyptic number.

27687385489410 is an abundant number, since it is smaller than the sum of its proper divisors (48141129752190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27687385489410 is a wasteful number, since it uses less digits than its factorization.

27687385489410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771510112 (or 2771510106 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 27687385489410 in words is "twenty-seven trillion, six hundred eighty-seven billion, three hundred eighty-five million, four hundred eighty-nine thousand, four hundred ten".