260678087 has 2 divisors, whose sum is σ = 260678088. Its totient is φ = 260678086.

The previous prime is 260678069. The next prime is 260678111. The reversal of 260678087 is 780876062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260678087 - 2⁸ = 260677831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260678387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130339043 + 130339044.

It is an arithmetic number, because the mean of its divisors is an integer number (130339044).

Almost surely, 2^260678087 is an apocalyptic number.

260678087 is a deficient number, since it is larger than the sum of its proper divisors (1).

260678087 is an equidigital number, since it uses as much as digits as its factorization.

260678087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 260678087 is about 16145.5283902386. The cubic root of 260678087 is about 638.8048063237.

The spelling of 260678087 in words is "two hundred sixty million, six hundred seventy-eight thousand, eighty-seven".