27668284536 has 32 divisors (see below), whose sum is σ = 69309360000. Its totient is φ = 9204275040.

The previous prime is 27668284529. The next prime is 27668284537. The reversal of 27668284536 is 63548286672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27668284537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143180 + ... + 1167131.

It is an arithmetic number, because the mean of its divisors is an integer number (2165917500).

Almost surely, 2^27668284536 is an apocalyptic number.

It is an amenable number.

27668284536 is an abundant number, since it is smaller than the sum of its proper divisors (41641075464).

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

27668284536 is a wasteful number, since it uses less digits than its factorization.

27668284536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310819 (or 2310815 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 27668284536 in words is "twenty-seven billion, six hundred sixty-eight million, two hundred eighty-four thousand, five hundred thirty-six".