260778370 has 16 divisors (see below), whose sum is σ = 489810240. Its totient is φ = 99775984.

The previous prime is 260778337. The next prime is 260778377. The reversal of 260778370 is 73877062.

It is not an unprimeable number, because it can be changed into a prime (260778377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566680 + ... + 567139.

It is an arithmetic number, because the mean of its divisors is an integer number (30613140).

Almost surely, 2^260778370 is an apocalyptic number.

260778370 is a deficient number, since it is larger than the sum of its proper divisors (229031870).

260778370 is a wasteful number, since it uses less digits than its factorization.

260778370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133849.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 260778370 is about 16148.6336883341. The cubic root of 260778370 is about 638.8867120055.

The spelling of 260778370 in words is "two hundred sixty million, seven hundred seventy-eight thousand, three hundred seventy".