678895116859 has 2 divisors, whose sum is σ = 678895116860. Its totient is φ = 678895116858.

The previous prime is 678895116751. The next prime is 678895116863. The reversal of 678895116859 is 958611598876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 678895116859 - 2²⁹ = 678358245947 is a prime.

It is a super-3 number, since 3×678895116859³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 678895116791 and 678895116800.

It is not a weakly prime, because it can be changed into another prime (678895116359) 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, 339447558429 + 339447558430.

It is an arithmetic number, because the mean of its divisors is an integer number (339447558430).

Almost surely, 2^678895116859 is an apocalyptic number.

678895116859 is a deficient number, since it is larger than the sum of its proper divisors (1).

678895116859 is an equidigital number, since it uses as much as digits as its factorization.

678895116859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 73.

The spelling of 678895116859 in words is "six hundred seventy-eight billion, eight hundred ninety-five million, one hundred sixteen thousand, eight hundred fifty-nine".