27956329 has 2 divisors, whose sum is σ = 27956330. Its totient is φ = 27956328.

The previous prime is 27956311. The next prime is 27956333. The reversal of 27956329 is 92365972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 11916304 = 4005^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 27956329 - 2⁵ = 27956297 is a prime.

It is not a weakly prime, because it can be changed into another prime (27956359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13978164 + 13978165.

It is an arithmetic number, because the mean of its divisors is an integer number (13978165).

Almost surely, 2^27956329 is an apocalyptic number.

It is an amenable number.

27956329 is a deficient number, since it is larger than the sum of its proper divisors (1).

27956329 is an equidigital number, since it uses as much as digits as its factorization.

27956329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 27956329 is about 5287.3744902362. The cubic root of 27956329 is about 303.5009449492.

The spelling of 27956329 in words is "twenty-seven million, nine hundred fifty-six thousand, three hundred twenty-nine".