260879438665 has 16 divisors (see below), whose sum is σ = 316061740800. Its totient is φ = 206700271360.

The previous prime is 260879438663. The next prime is 260879438669. The reversal of 260879438665 is 566834978062.

260879438665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260879438665 - 2¹ = 260879438663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260879438597 and 260879438606.

It is not an unprimeable number, because it can be changed into a prime (260879438663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106000 + ... + 2226430.

It is an arithmetic number, because the mean of its divisors is an integer number (19753858800).

Almost surely, 2^260879438665 is an apocalyptic number.

It is an amenable number.

260879438665 is a deficient number, since it is larger than the sum of its proper divisors (55182302135).

260879438665 is a wasteful number, since it uses less digits than its factorization.

260879438665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124592.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 260879438665 in words is "two hundred sixty billion, eight hundred seventy-nine million, four hundred thirty-eight thousand, six hundred sixty-five".