27829853 has 2 divisors, whose sum is σ = 27829854. Its totient is φ = 27829852.

The previous prime is 27829819. The next prime is 27829861. The reversal of 27829853 is 35892872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17825284 + 10004569 = 4222^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 27829853 - 2²⁴ = 11052637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27829873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13914926 + 13914927.

It is an arithmetic number, because the mean of its divisors is an integer number (13914927).

Almost surely, 2^27829853 is an apocalyptic number.

It is an amenable number.

27829853 is a deficient number, since it is larger than the sum of its proper divisors (1).

27829853 is an equidigital number, since it uses as much as digits as its factorization.

27829853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 27829853 is about 5275.4007430716. The cubic root of 27829853 is about 303.0425679138.

It can be divided in two parts, 27829 and 853, that added together give a palindrome (28682).

The spelling of 27829853 in words is "twenty-seven million, eight hundred twenty-nine thousand, eight hundred fifty-three".