260407087 has 2 divisors, whose sum is σ = 260407088. Its totient is φ = 260407086.

The previous prime is 260407067. The next prime is 260407129. The reversal of 260407087 is 780704062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260407087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260407057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130203543 + 130203544.

It is an arithmetic number, because the mean of its divisors is an integer number (130203544).

Almost surely, 2^260407087 is an apocalyptic number.

260407087 is a deficient number, since it is larger than the sum of its proper divisors (1).

260407087 is an equidigital number, since it uses as much as digits as its factorization.

260407087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 260407087 is about 16137.1337913522. The cubic root of 260407087 is about 638.5833631771.

The spelling of 260407087 in words is "two hundred sixty million, four hundred seven thousand, eighty-seven".