867125663 has 2 divisors, whose sum is σ = 867125664. Its totient is φ = 867125662.

The previous prime is 867125657. The next prime is 867125683. The reversal of 867125663 is 366521768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867125663 - 2⁸ = 867125407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867125653) 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, 433562831 + 433562832.

It is an arithmetic number, because the mean of its divisors is an integer number (433562832).

Almost surely, 2^867125663 is an apocalyptic number.

867125663 is a deficient number, since it is larger than the sum of its proper divisors (1).

867125663 is an equidigital number, since it uses as much as digits as its factorization.

867125663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 867125663 is about 29446.9975209698. The cubic root of 867125663 is about 953.5877861570.

The spelling of 867125663 in words is "eight hundred sixty-seven million, one hundred twenty-five thousand, six hundred sixty-three".