27388363272 has 16 divisors (see below), whose sum is σ = 68470908240. Its totient is φ = 9129454416.

The previous prime is 27388363271. The next prime is 27388363279. The reversal of 27388363272 is 27236388372.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27388363271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570590878 + ... + 570590925.

It is an arithmetic number, because the mean of its divisors is an integer number (4279431765).

Almost surely, 2^27388363272 is an apocalyptic number.

It is an amenable number.

27388363272 is an abundant number, since it is smaller than the sum of its proper divisors (41082544968).

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

27388363272 is a wasteful number, since it uses less digits than its factorization.

27388363272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141181812 (or 1141181808 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 27388363272 in words is "twenty-seven billion, three hundred eighty-eight million, three hundred sixty-three thousand, two hundred seventy-two".