678859883 has 4 divisors (see below), whose sum is σ = 731079888. Its totient is φ = 626639880.

The previous prime is 678859859. The next prime is 678859901. The reversal of 678859883 is 388958876.

678859883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 678859883 - 2¹⁴ = 678843499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678859183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26109983 + ... + 26110008.

It is an arithmetic number, because the mean of its divisors is an integer number (182769972).

Almost surely, 2^678859883 is an apocalyptic number.

678859883 is a deficient number, since it is larger than the sum of its proper divisors (52220005).

678859883 is a wasteful number, since it uses less digits than its factorization.

678859883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52220004.

The product of its digits is 23224320, while the sum is 62.

The square root of 678859883 is about 26054.9397044015. The cubic root of 678859883 is about 878.8741986981.

The spelling of 678859883 in words is "six hundred seventy-eight million, eight hundred fifty-nine thousand, eight hundred eighty-three".