27179069 has 2 divisors, whose sum is σ = 27179070. Its totient is φ = 27179068.

The previous prime is 27179059. The next prime is 27179071. The reversal of 27179069 is 96097172.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 34969 = 5210^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 27179069 - 2²⁰ = 26130493 is a prime.

It is a super-4 number, since 4×27179069⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 27179071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27179059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13589534 + 13589535.

It is an arithmetic number, because the mean of its divisors is an integer number (13589535).

Almost surely, 2^27179069 is an apocalyptic number.

It is an amenable number.

27179069 is a deficient number, since it is larger than the sum of its proper divisors (1).

27179069 is an equidigital number, since it uses as much as digits as its factorization.

27179069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 27179069 is about 5213.3548699470. The cubic root of 27179069 is about 300.6617577010.

The spelling of 27179069 in words is "twenty-seven million, one hundred seventy-nine thousand, sixty-nine".