27698366880 has 192 divisors, whose sum is σ = 97037740800. Its totient is φ = 7379112960.

The previous prime is 27698366869. The next prime is 27698366893. The reversal of 27698366880 is 8866389672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5695650 + ... + 5700510.

It is an arithmetic number, because the mean of its divisors is an integer number (505404900).

Almost surely, 2^27698366880 is an apocalyptic number.

27698366880 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 27698366880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48518870400).

27698366880 is an abundant number, since it is smaller than the sum of its proper divisors (69339373920).

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

27698366880 is a wasteful number, since it uses less digits than its factorization.

27698366880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 27698366880 in words is "twenty-seven billion, six hundred ninety-eight million, three hundred sixty-six thousand, eight hundred eighty".