260774845 has 16 divisors (see below), whose sum is σ = 316500912. Its totient is φ = 206254080.

The previous prime is 260774827. The next prime is 260774861. The reversal of 260774845 is 548477062.

It can be written as a sum of positive squares in 8 ways, for example, as 28334329 + 232440516 = 5323^2 + 15246^2 .

It is not a de Polignac number, because 260774845 - 2⁹ = 260774333 is a prime.

It is a Duffinian number.

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, 173919 + ... + 175411.

It is an arithmetic number, because the mean of its divisors is an integer number (19781307).

Almost surely, 2^260774845 is an apocalyptic number.

It is an amenable number.

260774845 is a deficient number, since it is larger than the sum of its proper divisors (55726067).

260774845 is a wasteful number, since it uses less digits than its factorization.

260774845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 260774845 is about 16148.5245456048. The cubic root of 260774845 is about 638.8838333339.

The spelling of 260774845 in words is "two hundred sixty million, seven hundred seventy-four thousand, eight hundred forty-five".