678075485 has 8 divisors (see below), whose sum is σ = 814701240. Its totient is φ = 541786624.

The previous prime is 678075469. The next prime is 678075487. The reversal of 678075485 is 584570876.

678075485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15888196 + 662187289 = 3986^2 + 25733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678075485 - 2⁴ = 678075469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678075487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79772 + ... + 87861.

It is an arithmetic number, because the mean of its divisors is an integer number (101837655).

Almost surely, 2^678075485 is an apocalyptic number.

It is an amenable number.

678075485 is a deficient number, since it is larger than the sum of its proper divisors (136625755).

678075485 is a wasteful number, since it uses less digits than its factorization.

678075485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168447.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The square root of 678075485 is about 26039.8825842207. The cubic root of 678075485 is about 878.5355658068.

The spelling of 678075485 in words is "six hundred seventy-eight million, seventy-five thousand, four hundred eighty-five".