27663888756120 has 32 divisors (see below), whose sum is σ = 82991666268720. Its totient is φ = 7377037001600.

The previous prime is 27663888756103. The next prime is 27663888756143. The reversal of 27663888756120 is 2165788836672.

It is a super-2 number, since 2×27663888756120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115266203031 + ... + 115266203270.

Almost surely, 2^{27663888756120} is an apocalyptic number.

27663888756120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27663888756120 is an abundant number, since it is smaller than the sum of its proper divisors (55327777512600).

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

27663888756120 is a wasteful number, since it uses less digits than its factorization.

27663888756120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230532406315 (or 230532406311 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 69.

The spelling of 27663888756120 in words is "twenty-seven trillion, six hundred sixty-three billion, eight hundred eighty-eight million, seven hundred fifty-six thousand, one hundred twenty".