27773320153 has 8 divisors (see below), whose sum is σ = 28091364840. Its totient is φ = 27455408640.

The previous prime is 27773320151. The next prime is 27773320163. The reversal of 27773320153 is 35102337772.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138579984 + 27634740169 = 11772^2 + 166237^2 .

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 27773320153 - 2¹ = 27773320151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27773320151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421501 + ... + 482917.

It is an arithmetic number, because the mean of its divisors is an integer number (3511420605).

Almost surely, 2^27773320153 is an apocalyptic number.

It is an amenable number.

27773320153 is a deficient number, since it is larger than the sum of its proper divisors (318044687).

27773320153 is an equidigital number, since it uses as much as digits as its factorization.

27773320153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66587.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 27773320153 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred twenty thousand, one hundred fifty-three".