271668889 has 2 divisors, whose sum is σ = 271668890. Its totient is φ = 271668888.

The previous prime is 271668871. The next prime is 271668899. The reversal of 271668889 is 988866172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253860489 + 17808400 = 15933^2 + 4220^2 .

It is a cyclic number.

It is not a de Polignac number, because 271668889 - 2¹⁵ = 271636121 is a prime.

It is not a weakly prime, because it can be changed into another prime (271668809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135834444 + 135834445.

It is an arithmetic number, because the mean of its divisors is an integer number (135834445).

Almost surely, 2^271668889 is an apocalyptic number.

It is an amenable number.

271668889 is a deficient number, since it is larger than the sum of its proper divisors (1).

271668889 is an equidigital number, since it uses as much as digits as its factorization.

271668889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The square root of 271668889 is about 16482.3811689938. The cubic root of 271668889 is about 647.6593439175.

The spelling of 271668889 in words is "two hundred seventy-one million, six hundred sixty-eight thousand, eight hundred eighty-nine".