648770710087 has 2 divisors, whose sum is σ = 648770710088. Its totient is φ = 648770710086.

The previous prime is 648770710039. The next prime is 648770710097. The reversal of 648770710087 is 780017077846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648770710087 - 2¹¹ = 648770708039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648770710097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324385355043 + 324385355044.

It is an arithmetic number, because the mean of its divisors is an integer number (324385355044).

Almost surely, 2^648770710087 is an apocalyptic number.

648770710087 is a deficient number, since it is larger than the sum of its proper divisors (1).

648770710087 is an equidigital number, since it uses as much as digits as its factorization.

648770710087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3687936, while the sum is 55.

The spelling of 648770710087 in words is "six hundred forty-eight billion, seven hundred seventy million, seven hundred ten thousand, eighty-seven".