27349793855 has 4 divisors (see below), whose sum is σ = 32819752632. Its totient is φ = 21879835080.

The previous prime is 27349793843. The next prime is 27349793857. The reversal of 27349793855 is 55839794372.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27349793855 - 2⁶ = 27349793791 is a prime.

It is a super-2 number, since 2×27349793855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27349793857) 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, 2734979381 + ... + 2734979390.

It is an arithmetic number, because the mean of its divisors is an integer number (8204938158).

Almost surely, 2^27349793855 is an apocalyptic number.

27349793855 is a deficient number, since it is larger than the sum of its proper divisors (5469958777).

27349793855 is an equidigital number, since it uses as much as digits as its factorization.

27349793855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469958776.

The product of its digits is 57153600, while the sum is 62.

The spelling of 27349793855 in words is "twenty-seven billion, three hundred forty-nine million, seven hundred ninety-three thousand, eight hundred fifty-five".