27773820133 has 8 divisors (see below), whose sum is σ = 29238555200. Its totient is φ = 26309380608.

The previous prime is 27773820103. The next prime is 27773820163. The reversal of 27773820133 is 33102837772.

It is an interprime number because it is at equal distance from previous prime (27773820103) and next prime (27773820163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27773820133 is a prime.

It is a super-2 number, since 2×27773820133² (a number of 22 digits) contains 22 as substring.

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 27773820133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27773820103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134053 + ... + 271141.

It is an arithmetic number, because the mean of its divisors is an integer number (3654819400).

Almost surely, 2^27773820133 is an apocalyptic number.

It is an amenable number.

27773820133 is a deficient number, since it is larger than the sum of its proper divisors (1464735067).

27773820133 is a wasteful number, since it uses less digits than its factorization.

27773820133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147771.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 27773820133 in words is "twenty-seven billion, seven hundred seventy-three million, eight hundred twenty thousand, one hundred thirty-three".