27889049502720 has 792 divisors, whose sum is σ = 114682631054784. Its totient is φ = 6374586138624.

The previous prime is 27889049502689. The next prime is 27889049502763. The reversal of 27889049502720 is 2720594098872.

27889049502720 is a `hidden beast` number, since 2 + 7 + 8 + 89 + 0 + 49 + 502 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 235086939 + ... + 235205541.

Almost surely, 2^{27889049502720} is an apocalyptic number.

27889049502720 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 27889049502720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57341315527392).

27889049502720 is an abundant number, since it is smaller than the sum of its proper divisors (86793581552064).

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

27889049502720 is an frugal number, since it uses more digits than its factorization.

27889049502720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118659 (or 118620 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 27889049502720 in words is "twenty-seven trillion, eight hundred eighty-nine billion, forty-nine million, five hundred two thousand, seven hundred twenty".