27720560083 has 4 divisors (see below), whose sum is σ = 27965874888. Its totient is φ = 27475245280.

The previous prime is 27720560081. The next prime is 27720560117. The reversal of 27720560083 is 38006502772.

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 27720560083 - 2¹ = 27720560081 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27720560081) 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, 122657233 + ... + 122657458.

It is an arithmetic number, because the mean of its divisors is an integer number (6991468722).

Almost surely, 2^27720560083 is an apocalyptic number.

27720560083 is a deficient number, since it is larger than the sum of its proper divisors (245314805).

27720560083 is a wasteful number, since it uses less digits than its factorization.

27720560083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245314804.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 27720560083 in words is "twenty-seven billion, seven hundred twenty million, five hundred sixty thousand, eighty-three".