27987460800 has 336 divisors, whose sum is σ = 99225628320. Its totient is φ = 6865551360.

The previous prime is 27987460799. The next prime is 27987460817. The reversal of 27987460800 is 806478972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24273024 + ... + 24274176.

It is an arithmetic number, because the mean of its divisors is an integer number (295314370).

Almost surely, 2^27987460800 is an apocalyptic number.

27987460800 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 27987460800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49612814160).

27987460800 is an abundant number, since it is smaller than the sum of its proper divisors (71238167520).

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

27987460800 is a wasteful number, since it uses less digits than its factorization.

27987460800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 27987460800 in words is "twenty-seven billion, nine hundred eighty-seven million, four hundred sixty thousand, eight hundred".