27180749383 has 4 divisors (see below), whose sum is σ = 28611315160. Its totient is φ = 25750183608.

The previous prime is 27180749381. The next prime is 27180749411. The reversal of 27180749383 is 38394708172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27180749383 - 2¹ = 27180749381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27180749383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27180749381) 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, 715282860 + ... + 715282897.

It is an arithmetic number, because the mean of its divisors is an integer number (7152828790).

Almost surely, 2^27180749383 is an apocalyptic number.

27180749383 is a deficient number, since it is larger than the sum of its proper divisors (1430565777).

27180749383 is a wasteful number, since it uses less digits than its factorization.

27180749383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430565776.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 27180749383 in words is "twenty-seven billion, one hundred eighty million, seven hundred forty-nine thousand, three hundred eighty-three".