27318881372 has 24 divisors (see below), whose sum is σ = 48115433184. Its totient is φ = 13571687232.

The previous prime is 27318881363. The next prime is 27318881383.

27318881372 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27318881372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780598 + ... + 1795874.

It is an arithmetic number, because the mean of its divisors is an integer number (2004809716).

Almost surely, 2^27318881372 is an apocalyptic number.

It is an amenable number.

27318881372 is a deficient number, since it is larger than the sum of its proper divisors (20796551812).

27318881372 is a wasteful number, since it uses less digits than its factorization.

27318881372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18125 (or 18123 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The spelling of 27318881372 in words is "twenty-seven billion, three hundred eighteen million, eight hundred eighty-one thousand, three hundred seventy-two".