27663012000 has 1536 divisors, whose sum is σ = 122842137600. Its totient is φ = 5971968000.

The previous prime is 27663011933. The next prime is 27663012029. The reversal of 27663012000 is 21036672.

It is a happy number.

27663012000 is a `hidden beast` number, since 2 + 7 + 6 + 630 + 1 + 20 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 453491970 + ... + 453492030.

It is an arithmetic number, because the mean of its divisors is an integer number (79975350).

Almost surely, 2^27663012000 is an apocalyptic number.

27663012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27663012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61421068800).

27663012000 is an abundant number, since it is smaller than the sum of its proper divisors (95179125600).

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

27663012000 is a wasteful number, since it uses less digits than its factorization.

27663012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 27663012000 its reverse (21036672), we get a palindrome (27684048672).

The spelling of 27663012000 in words is "twenty-seven billion, six hundred sixty-three million, twelve thousand".