260830687 has 4 divisors (see below), whose sum is σ = 280894600. Its totient is φ = 240766776.

The previous prime is 260830673. The next prime is 260830697. The reversal of 260830687 is 786038062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260830687 - 2¹⁵ = 260797919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260830607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031937 + ... + 10031962.

It is an arithmetic number, because the mean of its divisors is an integer number (70223650).

Almost surely, 2^260830687 is an apocalyptic number.

260830687 is a deficient number, since it is larger than the sum of its proper divisors (20063913).

260830687 is a wasteful number, since it uses less digits than its factorization.

260830687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063912.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 260830687 is about 16150.2534655033. The cubic root of 260830687 is about 638.9294333415.

The spelling of 260830687 in words is "two hundred sixty million, eight hundred thirty thousand, six hundred eighty-seven".