27791042273 has 8 divisors (see below), whose sum is σ = 27993991392. Its totient is φ = 27588799936.

The previous prime is 27791042263. The next prime is 27791042297. The reversal of 27791042273 is 37224019772.

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

It is a cyclic number.

It is not a de Polignac number, because 27791042273 - 2²⁶ = 27723933409 is a prime.

It is a super-3 number, since 3×27791042273³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27791042203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97640 + ... + 255177.

It is an arithmetic number, because the mean of its divisors is an integer number (3499248924).

Almost surely, 2^27791042273 is an apocalyptic number.

It is an amenable number.

27791042273 is a deficient number, since it is larger than the sum of its proper divisors (202949119).

27791042273 is a wasteful number, since it uses less digits than its factorization.

27791042273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353391.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 27791042273 in words is "twenty-seven billion, seven hundred ninety-one million, forty-two thousand, two hundred seventy-three".