271887089 has 2 divisors, whose sum is σ = 271887090. Its totient is φ = 271887088.

The previous prime is 271887073. The next prime is 271887101. The reversal of 271887089 is 980788172.

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., 265038400 + 6848689 = 16280^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 271887089 - 2⁴ = 271887073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271884089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135943544 + 135943545.

It is an arithmetic number, because the mean of its divisors is an integer number (135943545).

Almost surely, 2^271887089 is an apocalyptic number.

It is an amenable number.

271887089 is a deficient number, since it is larger than the sum of its proper divisors (1).

271887089 is an equidigital number, since it uses as much as digits as its factorization.

271887089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 50.

The square root of 271887089 is about 16488.9990296561. Note that the first 3 decimals coincide. The cubic root of 271887089 is about 647.8326939726.

The spelling of 271887089 in words is "two hundred seventy-one million, eight hundred eighty-seven thousand, eighty-nine".