859666963 has 2 divisors, whose sum is σ = 859666964. Its totient is φ = 859666962.

The previous prime is 859666957. The next prime is 859667023. The reversal of 859666963 is 369666958.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859666963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 859666898 and 859666907.

It is not a weakly prime, because it can be changed into another prime (859666903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429833481 + 429833482.

It is an arithmetic number, because the mean of its divisors is an integer number (429833482).

Almost surely, 2^859666963 is an apocalyptic number.

859666963 is a deficient number, since it is larger than the sum of its proper divisors (1).

859666963 is an equidigital number, since it uses as much as digits as its factorization.

859666963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 58.

The square root of 859666963 is about 29320.0778136757. The cubic root of 859666963 is about 950.8457705303.

It can be divided in two parts, 85966 and 6963, that added together give a palindrome (92929).

The spelling of 859666963 in words is "eight hundred fifty-nine million, six hundred sixty-six thousand, nine hundred sixty-three".