27732233690556 has 96 divisors (see below), whose sum is σ = 67570077120000. Its totient is φ = 8841681370368.

The previous prime is 27732233690537. The next prime is 27732233690569. The reversal of 27732233690556 is 65509633223772.

It is a self number, because there is not a number n which added to its sum of digits gives 27732233690556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14984355 + ... + 16733061.

It is an arithmetic number, because the mean of its divisors is an integer number (703854970000).

Almost surely, 2^{27732233690556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27732233690556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33785038560000).

27732233690556 is an abundant number, since it is smaller than the sum of its proper divisors (39837843429444).

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

27732233690556 is a wasteful number, since it uses less digits than its factorization.

27732233690556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749171 (or 1749169 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 60.

The spelling of 27732233690556 in words is "twenty-seven trillion, seven hundred thirty-two billion, two hundred thirty-three million, six hundred ninety thousand, five hundred fifty-six".