27963999360 has 1280 divisors, whose sum is σ = 119964240000. Its totient is φ = 6131220480.

The previous prime is 27963999347. The next prime is 27963999361. The reversal of 27963999360 is 6399936972.

It is not an unprimeable number, because it can be changed into a prime (27963999361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 314202196 + ... + 314202284.

Almost surely, 2^27963999360 is an apocalyptic number.

27963999360 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 27963999360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59982120000).

27963999360 is an abundant number, since it is smaller than the sum of its proper divisors (92000240640).

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

27963999360 is a wasteful number, since it uses less digits than its factorization.

27963999360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 63.

The spelling of 27963999360 in words is "twenty-seven billion, nine hundred sixty-three million, nine hundred ninety-nine thousand, three hundred sixty".