27663602080880 has 80 divisors (see below), whose sum is σ = 68102244552384. Its totient is φ = 10414384926720.

The previous prime is 27663602080871. The next prime is 27663602080883. The reversal of 27663602080880 is 8808020636672.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27663602080883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167391890 + ... + 167557070.

Almost surely, 2^{27663602080880} is an apocalyptic number.

27663602080880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27663602080880 is an abundant number, since it is smaller than the sum of its proper divisors (40438642471504).

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

27663602080880 is a wasteful number, since it uses less digits than its factorization.

27663602080880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288354 (or 288348 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 27663602080880 in words is "twenty-seven trillion, six hundred sixty-three billion, six hundred two million, eighty thousand, eight hundred eighty".