863245465787 has 2 divisors, whose sum is σ = 863245465788. Its totient is φ = 863245465786.

The previous prime is 863245465757. The next prime is 863245465871. The reversal of 863245465787 is 787564542368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 863245465787 - 2¹² = 863245461691 is a prime.

It is not a weakly prime, because it can be changed into another prime (863245465757) 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, 431622732893 + 431622732894.

It is an arithmetic number, because the mean of its divisors is an integer number (431622732894).

Almost surely, 2^863245465787 is an apocalyptic number.

863245465787 is a deficient number, since it is larger than the sum of its proper divisors (1).

863245465787 is an equidigital number, since it uses as much as digits as its factorization.

863245465787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270950400, while the sum is 65.

The spelling of 863245465787 in words is "eight hundred sixty-three billion, two hundred forty-five million, four hundred sixty-five thousand, seven hundred eighty-seven".