260686928397 has 32 divisors (see below), whose sum is σ = 402436825344. Its totient is φ = 147023424000.

The previous prime is 260686928387. The next prime is 260686928419. The reversal of 260686928397 is 793829686062.

It is a happy number.

260686928397 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 260686928397 - 2¹⁶ = 260686862861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260686928387) 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 31 ways as a sum of consecutive naturals, for example, 478497 + ... + 866217.

It is an arithmetic number, because the mean of its divisors is an integer number (12576150792).

Almost surely, 2^260686928397 is an apocalyptic number.

It is an amenable number.

260686928397 is a deficient number, since it is larger than the sum of its proper divisors (141749896947).

260686928397 is a wasteful number, since it uses less digits than its factorization.

260686928397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388149.

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 260686928397 in words is "two hundred sixty billion, six hundred eighty-six million, nine hundred twenty-eight thousand, three hundred ninety-seven".