27697841981250 has 144 divisors (see below), whose sum is σ = 80544694059648. Its totient is φ = 6330935100000.

The previous prime is 27697841981207. The next prime is 27697841981281. The reversal of 27697841981250 is 5218914879672.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14154906 + ... + 15992405.

It is an arithmetic number, because the mean of its divisors is an integer number (559338153192).

Almost surely, 2^{27697841981250} is an apocalyptic number.

27697841981250 is an abundant number, since it is smaller than the sum of its proper divisors (52846852078398).

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

27697841981250 is an equidigital number, since it uses as much as digits as its factorization.

27697841981250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147355 (or 30147328 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 27697841981250 in words is "twenty-seven trillion, six hundred ninety-seven billion, eight hundred forty-one million, nine hundred eighty-one thousand, two hundred fifty".