27883286939 has 4 divisors (see below), whose sum is σ = 28782747840. Its totient is φ = 26983826040.

The previous prime is 27883286927. The next prime is 27883286941. The reversal of 27883286939 is 93968238872.

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 27883286939 - 2¹⁶ = 27883221403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27883286339) 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, 449730404 + ... + 449730465.

It is an arithmetic number, because the mean of its divisors is an integer number (7195686960).

Almost surely, 2^27883286939 is an apocalyptic number.

27883286939 is a deficient number, since it is larger than the sum of its proper divisors (899460901).

27883286939 is an equidigital number, since it uses as much as digits as its factorization.

27883286939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899460900.

The product of its digits is 62705664, while the sum is 65.

The spelling of 27883286939 in words is "twenty-seven billion, eight hundred eighty-three million, two hundred eighty-six thousand, nine hundred thirty-nine".