266482287 has 12 divisors (see below), whose sum is σ = 389244960. Its totient is φ = 175658208.

The previous prime is 266482283. The next prime is 266482331. The reversal of 266482287 is 782284662.

It is not a de Polignac number, because 266482287 - 2² = 266482283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266482283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165543 + ... + 167144.

It is an arithmetic number, because the mean of its divisors is an integer number (32437080).

Almost surely, 2^266482287 is an apocalyptic number.

266482287 is a deficient number, since it is larger than the sum of its proper divisors (122762673).

266482287 is a wasteful number, since it uses less digits than its factorization.

266482287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332782 (or 332779 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 266482287 is about 16324.2851910888. The cubic root of 266482287 is about 643.5112083579.

The spelling of 266482287 in words is "two hundred sixty-six million, four hundred eighty-two thousand, two hundred eighty-seven".