260804578 has 8 divisors (see below), whose sum is σ = 391276368. Its totient is φ = 130379124.

The previous prime is 260804563. The next prime is 260804587. The reversal of 260804578 is 875408062.

260804578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 260804578.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12525 + ... + 26047.

It is an arithmetic number, because the mean of its divisors is an integer number (48909546).

Almost surely, 2^260804578 is an apocalyptic number.

260804578 is a deficient number, since it is larger than the sum of its proper divisors (130471790).

260804578 is a wasteful number, since it uses less digits than its factorization.

260804578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 260804578 is about 16149.4451297870. The cubic root of 260804578 is about 638.9081138087.

The spelling of 260804578 in words is "two hundred sixty million, eight hundred four thousand, five hundred seventy-eight".