260864285 has 16 divisors (see below), whose sum is σ = 343042560. Its totient is φ = 188859840.

The previous prime is 260864257. The next prime is 260864293. The reversal of 260864285 is 582468062.

It is not a de Polignac number, because 260864285 - 2¹⁰ = 260863261 is a prime.

It is a super-2 number, since 2×260864285² = 136100350377122450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631 + ... + 22899.

It is an arithmetic number, because the mean of its divisors is an integer number (21440160).

Almost surely, 2^260864285 is an apocalyptic number.

It is an amenable number.

260864285 is a deficient number, since it is larger than the sum of its proper divisors (82178275).

260864285 is a wasteful number, since it uses less digits than its factorization.

260864285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 260864285 is about 16151.2936014426. The cubic root of 260864285 is about 638.9568659898.

The spelling of 260864285 in words is "two hundred sixty million, eight hundred sixty-four thousand, two hundred eighty-five".