27388488372 has 96 divisors (see below), whose sum is σ = 76934860800. Its totient is φ = 7408132992.

The previous prime is 27388488349. The next prime is 27388488397.

27388488372 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2569029 + ... + 2579667.

It is an arithmetic number, because the mean of its divisors is an integer number (801404800).

Almost surely, 2^27388488372 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 27388488372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38467430400).

27388488372 is an abundant number, since it is smaller than the sum of its proper divisors (49546372428).

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

27388488372 is a wasteful number, since it uses less digits than its factorization.

27388488372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285 (or 12283 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 60.

The spelling of 27388488372 in words is "twenty-seven billion, three hundred eighty-eight million, four hundred eighty-eight thousand, three hundred seventy-two".