27229379 has 2 divisors, whose sum is σ = 27229380. Its totient is φ = 27229378.

The previous prime is 27229357. The next prime is 27229409. The reversal of 27229379 is 97392272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27229379 - 2⁸ = 27229123 is a prime.

It is a Chen prime.

It is equal to p_1696478 and since 27229379 and 1696478 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (27225379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13614689 + 13614690.

It is an arithmetic number, because the mean of its divisors is an integer number (13614690).

Almost surely, 2^27229379 is an apocalyptic number.

27229379 is a deficient number, since it is larger than the sum of its proper divisors (1).

27229379 is an equidigital number, since it uses as much as digits as its factorization.

27229379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 27229379 is about 5218.1777470684. The cubic root of 27229379 is about 300.8471573482.

The spelling of 27229379 in words is "twenty-seven million, two hundred twenty-nine thousand, three hundred seventy-nine".