27352759638 has 48 divisors (see below), whose sum is σ = 56452261824. Its totient is φ = 8835156000.

The previous prime is 27352759631. The next prime is 27352759657. The reversal of 27352759638 is 83695725372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27352759631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055081 + ... + 2068347.

It is an arithmetic number, because the mean of its divisors is an integer number (1176088788).

Almost surely, 2^27352759638 is an apocalyptic number.

27352759638 is an abundant number, since it is smaller than the sum of its proper divisors (29099502186).

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

27352759638 is a wasteful number, since it uses less digits than its factorization.

27352759638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13597 (or 13560 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 57.

The spelling of 27352759638 in words is "twenty-seven billion, three hundred fifty-two million, seven hundred fifty-nine thousand, six hundred thirty-eight".