27122421073285 has 8 divisors (see below), whose sum is σ = 32546934105336. Its totient is φ = 21697917647040.

The previous prime is 27122421073277. The next prime is 27122421073289. The reversal of 27122421073285 is 58237012422172.

It can be written as a sum of positive squares in 4 ways, for example, as 6936028045956 + 20186393027329 = 2633634^2 + 4492927^2 .

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

It is not a de Polignac number, because 27122421073285 - 2³ = 27122421073277 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 (27122421073289) 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, 7587855 + ... + 10574515.

It is an arithmetic number, because the mean of its divisors is an integer number (4068366763167).

Almost surely, 2^{27122421073285} is an apocalyptic number.

It is an amenable number.

27122421073285 is a deficient number, since it is larger than the sum of its proper divisors (5424513032051).

27122421073285 is a wasteful number, since it uses less digits than its factorization.

27122421073285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802903.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 27122421073285 in words is "twenty-seven trillion, one hundred twenty-two billion, four hundred twenty-one million, seventy-three thousand, two hundred eighty-five".