260650087 has 2 divisors, whose sum is σ = 260650088. Its totient is φ = 260650086.

The previous prime is 260650081. The next prime is 260650097. The reversal of 260650087 is 780056062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260650087 - 2⁷ = 260649959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260650081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130325043 + 130325044.

It is an arithmetic number, because the mean of its divisors is an integer number (130325044).

Almost surely, 2^260650087 is an apocalyptic number.

260650087 is a deficient number, since it is larger than the sum of its proper divisors (1).

260650087 is an equidigital number, since it uses as much as digits as its factorization.

260650087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 260650087 is about 16144.6612538015. The cubic root of 260650087 is about 638.7819337004.

The spelling of 260650087 in words is "two hundred sixty million, six hundred fifty thousand, eighty-seven".