27338287508 has 48 divisors (see below), whose sum is σ = 57207279360. Its totient is φ = 11176856064.

The previous prime is 27338287499. The next prime is 27338287519. The reversal of 27338287508 is 80578283372.

It is a self number, because there is not a number n which added to its sum of digits gives 27338287508.

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 15 ways as a sum of consecutive naturals, for example, 183308 + ... + 297116.

It is an arithmetic number, because the mean of its divisors is an integer number (1191818320).

Almost surely, 2^27338287508 is an apocalyptic number.

27338287508 is a gapful number since it is divisible by the number (28) 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 27338287508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28603639680).

27338287508 is an abundant number, since it is smaller than the sum of its proper divisors (29868991852).

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

27338287508 is a wasteful number, since it uses less digits than its factorization.

27338287508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114216 (or 114214 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 27338287508 in words is "twenty-seven billion, three hundred thirty-eight million, two hundred eighty-seven thousand, five hundred eight".