260867807 has 2 divisors, whose sum is σ = 260867808. Its totient is φ = 260867806.

The previous prime is 260867729. The next prime is 260867843. The reversal of 260867807 is 708768062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260867807 - 2¹⁰ = 260866783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260867897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130433903 + 130433904.

It is an arithmetic number, because the mean of its divisors is an integer number (130433904).

Almost surely, 2^260867807 is an apocalyptic number.

260867807 is a deficient number, since it is larger than the sum of its proper divisors (1).

260867807 is an equidigital number, since it uses as much as digits as its factorization.

260867807 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 260867807 is about 16151.4026325889. The cubic root of 260867807 is about 638.9597415539.

The spelling of 260867807 in words is "two hundred sixty million, eight hundred sixty-seven thousand, eight hundred seven".