27122248385 has 4 divisors (see below), whose sum is σ = 32546698068. Its totient is φ = 21697798704.

The previous prime is 27122248369. The next prime is 27122248427. The reversal of 27122248385 is 58384222172.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14676837904 + 12445410481 = 121148^2 + 111559^2 .

It is a cyclic number.

It is not a de Polignac number, because 27122248385 - 2⁴ = 27122248369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712224834 + ... + 2712224843.

It is an arithmetic number, because the mean of its divisors is an integer number (8136674517).

Almost surely, 2^27122248385 is an apocalyptic number.

It is an amenable number.

27122248385 is a deficient number, since it is larger than the sum of its proper divisors (5424449683).

27122248385 is an equidigital number, since it uses as much as digits as its factorization.

27122248385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424449682.

The product of its digits is 430080, while the sum is 44.

The spelling of 27122248385 in words is "twenty-seven billion, one hundred twenty-two million, two hundred forty-eight thousand, three hundred eighty-five".