260788578 has 8 divisors (see below), whose sum is σ = 521577168. Its totient is φ = 86929524.

The previous prime is 260788553. The next prime is 260788579. The reversal of 260788578 is 875887062.

260788578 is digitally balanced in base 2, 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.

260788578 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260788578.

It is not an unprimeable number, because it can be changed into a prime (260788579) 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, 21732376 + ... + 21732387.

It is an arithmetic number, because the mean of its divisors is an integer number (65197146).

Almost surely, 2^260788578 is an apocalyptic number.

260788578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260788578 is a wasteful number, since it uses less digits than its factorization.

260788578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43464768.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 260788578 is about 16148.9497491323. The cubic root of 260788578 is about 638.8950481652.

The spelling of 260788578 in words is "two hundred sixty million, seven hundred eighty-eight thousand, five hundred seventy-eight".