260678605 has 16 divisors (see below), whose sum is σ = 341573184. Its totient is φ = 189406080.

The previous prime is 260678567. The next prime is 260678633. The reversal of 260678605 is 506876062.

It is not a de Polignac number, because 260678605 - 2¹⁷ = 260547533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94729 + ... + 97441.

It is an arithmetic number, because the mean of its divisors is an integer number (21348324).

Almost surely, 2^260678605 is an apocalyptic number.

It is an amenable number.

260678605 is a deficient number, since it is larger than the sum of its proper divisors (80894579).

260678605 is a wasteful number, since it uses less digits than its factorization.

260678605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 260678605 is about 16145.5444318239. The cubic root of 260678605 is about 638.8052294518.

The spelling of 260678605 in words is "two hundred sixty million, six hundred seventy-eight thousand, six hundred five".