260577318687 has 24 divisors (see below), whose sum is σ = 405004608000. Its totient is φ = 148590426096.

The previous prime is 260577318629. The next prime is 260577318713. The reversal of 260577318687 is 786813775062.

It is a happy number.

It is not a de Polignac number, because 260577318687 - 2⁸ = 260577318431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260577318687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260577318607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1779937 + ... + 1920762.

It is an arithmetic number, because the mean of its divisors is an integer number (16875192000).

Almost surely, 2^260577318687 is an apocalyptic number.

260577318687 is a deficient number, since it is larger than the sum of its proper divisors (144427289313).

260577318687 is a wasteful number, since it uses less digits than its factorization.

260577318687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701195 (or 3701188 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 260577318687 in words is "two hundred sixty billion, five hundred seventy-seven million, three hundred eighteen thousand, six hundred eighty-seven".