27696469 has 2 divisors, whose sum is σ = 27696470. Its totient is φ = 27696468.

The previous prime is 27696467. The next prime is 27696481. The reversal of 27696469 is 96469672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 10804369 = 4110^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 27696469 - 2¹ = 27696467 is a prime.

It is a super-2 number, since 2×27696469² = 1534188790135922, which contains 22 as substring.

Together with 27696467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27696463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13848234 + 13848235.

It is an arithmetic number, because the mean of its divisors is an integer number (13848235).

Almost surely, 2^27696469 is an apocalyptic number.

It is an amenable number.

27696469 is a deficient number, since it is larger than the sum of its proper divisors (1).

27696469 is an equidigital number, since it uses as much as digits as its factorization.

27696469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 27696469 is about 5262.7434860536. The cubic root of 27696469 is about 302.5576476432.

The spelling of 27696469 in words is "twenty-seven million, six hundred ninety-six thousand, four hundred sixty-nine".