209480027 has 2 divisors, whose sum is σ = 209480028. Its totient is φ = 209480026.

The previous prime is 209480017. The next prime is 209480041. The reversal of 209480027 is 720084902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 209480027 - 2²² = 205285723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 209479975 and 209480002.

It is not a weakly prime, because it can be changed into another prime (209480017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104740013 + 104740014.

It is an arithmetic number, because the mean of its divisors is an integer number (104740014).

Almost surely, 2^209480027 is an apocalyptic number.

209480027 is a deficient number, since it is larger than the sum of its proper divisors (1).

209480027 is an equidigital number, since it uses as much as digits as its factorization.

209480027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 209480027 is about 14473.4248538485. The cubic root of 209480027 is about 593.9012058559.

The spelling of 209480027 in words is "two hundred nine million, four hundred eighty thousand, twenty-seven".