260378208879 has 16 divisors (see below), whose sum is σ = 353086957440. Its totient is φ = 170627996000.

The previous prime is 260378208851. The next prime is 260378208887. The reversal of 260378208879 is 978802873062.

It is a cyclic number.

It is not a de Polignac number, because 260378208879 - 2⁷ = 260378208751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260378208809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108389 + ... + 2228465.

It is an arithmetic number, because the mean of its divisors is an integer number (22067934840).

Almost surely, 2^260378208879 is an apocalyptic number.

260378208879 is a deficient number, since it is larger than the sum of its proper divisors (92708748561).

260378208879 is a wasteful number, since it uses less digits than its factorization.

260378208879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132390.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 260378208879 in words is "two hundred sixty billion, three hundred seventy-eight million, two hundred eight thousand, eight hundred seventy-nine".