27773317133 has 4 divisors (see below), whose sum is σ = 27805500288. Its totient is φ = 27741133980.

The previous prime is 27773317109. The next prime is 27773317153. The reversal of 27773317133 is 33171337772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27773317133 - 2⁶ = 27773317069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27773317153) 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, 16090283 + ... + 16092008.

It is an arithmetic number, because the mean of its divisors is an integer number (6951375072).

Almost surely, 2^27773317133 is an apocalyptic number.

It is an amenable number.

27773317133 is a deficient number, since it is larger than the sum of its proper divisors (32183155).

27773317133 is an equidigital number, since it uses as much as digits as its factorization.

27773317133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32183154.

The product of its digits is 388962, while the sum is 44.

The spelling of 27773317133 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred seventeen thousand, one hundred thirty-three".