260206287 has 16 divisors (see below), whose sum is σ = 387285888. Its totient is φ = 154032480.

The previous prime is 260206253. The next prime is 260206307. The reversal of 260206287 is 782602062.

It is not a de Polignac number, because 260206287 - 2⁶ = 260206223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260206087) 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 15 ways as a sum of consecutive naturals, for example, 90268 + ... + 93105.

It is an arithmetic number, because the mean of its divisors is an integer number (24205368).

Almost surely, 2^260206287 is an apocalyptic number.

260206287 is a deficient number, since it is larger than the sum of its proper divisors (127079601).

260206287 is a wasteful number, since it uses less digits than its factorization.

260206287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183430.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 260206287 is about 16130.9109166222. The cubic root of 260206287 is about 638.4191836820.

The spelling of 260206287 in words is "two hundred sixty million, two hundred six thousand, two hundred eighty-seven".