860485679 has 2 divisors, whose sum is σ = 860485680. Its totient is φ = 860485678.

The previous prime is 860485673. The next prime is 860485697. The reversal of 860485679 is 976584068.

Together with next prime (860485697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860485679 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 860485679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860485673) 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, 430242839 + 430242840.

It is an arithmetic number, because the mean of its divisors is an integer number (430242840).

Almost surely, 2^860485679 is an apocalyptic number.

860485679 is a deficient number, since it is larger than the sum of its proper divisors (1).

860485679 is an equidigital number, since it uses as much as digits as its factorization.

860485679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 860485679 is about 29334.0361866553. The cubic root of 860485679 is about 951.1475252331.

The spelling of 860485679 in words is "eight hundred sixty million, four hundred eighty-five thousand, six hundred seventy-nine".