27786393341080 has 128 divisors (see below), whose sum is σ = 70570335283200. Its totient is φ = 9753575104000.

The previous prime is 27786393341041. The next prime is 27786393341101. The reversal of 27786393341080 is 8014339368772.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 58241505 + ... + 58716655.

It is an arithmetic number, because the mean of its divisors is an integer number (551330744400).

Almost surely, 2^{27786393341080} is an apocalyptic number.

27786393341080 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 27786393341080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35285167641600).

27786393341080 is an abundant number, since it is smaller than the sum of its proper divisors (42783941942120).

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

27786393341080 is a wasteful number, since it uses less digits than its factorization.

27786393341080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479785 (or 479781 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 27786393341080 in words is "twenty-seven trillion, seven hundred eighty-six billion, three hundred ninety-three million, three hundred forty-one thousand, eighty".