27953083853 has 8 divisors (see below), whose sum is σ = 28650947640. Its totient is φ = 27255985920.

The previous prime is 27953083849. The next prime is 27953083877. The reversal of 27953083853 is 35838035972.

It can be written as a sum of positive squares in 4 ways, for example, as 3447686089 + 24505397764 = 58717^2 + 156542^2 .

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 27953083853 - 2² = 27953083849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27953083795 and 27953083804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27953083553) 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, 117200 + ... + 263897.

It is an arithmetic number, because the mean of its divisors is an integer number (3581368455).

Almost surely, 2^27953083853 is an apocalyptic number.

It is an amenable number.

27953083853 is a deficient number, since it is larger than the sum of its proper divisors (697863787).

27953083853 is a wasteful number, since it uses less digits than its factorization.

27953083853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382927.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 27953083853 in words is "twenty-seven billion, nine hundred fifty-three million, eighty-three thousand, eight hundred fifty-three".