27158029 has 2 divisors, whose sum is σ = 27158030. Its totient is φ = 27158028.

The previous prime is 27157987. The next prime is 27158039. The reversal of 27158029 is 92085172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16281225 + 10876804 = 4035^2 + 3298^2 .

It is a cyclic number.

It is not a de Polignac number, because 27158029 - 2⁷ = 27157901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27157985 and 27158003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27158039) 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, 13579014 + 13579015.

It is an arithmetic number, because the mean of its divisors is an integer number (13579015).

Almost surely, 2^27158029 is an apocalyptic number.

It is an amenable number.

27158029 is a deficient number, since it is larger than the sum of its proper divisors (1).

27158029 is an equidigital number, since it uses as much as digits as its factorization.

27158029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 27158029 is about 5211.3365847928. The cubic root of 27158029 is about 300.5841543998.

The spelling of 27158029 in words is "twenty-seven million, one hundred fifty-eight thousand, twenty-nine".