260585122861878 has 32 divisors (see below), whose sum is σ = 559386597360096. Its totient is φ = 80632302317568.

The previous prime is 260585122861871. The next prime is 260585122861927. The reversal of 260585122861878 is 878168221585062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260585122861871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17498322051 + ... + 17498336942.

It is an arithmetic number, because the mean of its divisors is an integer number (17480831167503).

Almost surely, 2^{260585122861878} is an apocalyptic number.

260585122861878 is an abundant number, since it is smaller than the sum of its proper divisors (298801474498218).

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

260585122861878 is a wasteful number, since it uses less digits than its factorization.

260585122861878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34996659088.

The product of its (nonzero) digits is 206438400, while the sum is 69.

The spelling of 260585122861878 in words is "two hundred sixty trillion, five hundred eighty-five billion, one hundred twenty-two million, eight hundred sixty-one thousand, eight hundred seventy-eight".