27827061320 has 64 divisors (see below), whose sum is σ = 66343536000. Its totient is φ = 10468224000.

The previous prime is 27827061319. The next prime is 27827061407. The reversal of 27827061320 is 2316072872.

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 15 ways as a sum of consecutive naturals, for example, 936695 + ... + 965945.

It is an arithmetic number, because the mean of its divisors is an integer number (1036617750).

Almost surely, 2^27827061320 is an apocalyptic number.

27827061320 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 27827061320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33171768000).

27827061320 is an abundant number, since it is smaller than the sum of its proper divisors (38516474680).

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

27827061320 is a wasteful number, since it uses less digits than its factorization.

27827061320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30678 (or 30674 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 27827061320 in words is "twenty-seven billion, eight hundred twenty-seven million, sixty-one thousand, three hundred twenty".