678535003 has 8 divisors (see below), whose sum is σ = 685495008. Its totient is φ = 671608704.

The previous prime is 678534947. The next prime is 678535027. The reversal of 678535003 is 300535876.

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 678535003 - 2²¹ = 676437851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678530003) 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 in 7 ways as a sum of consecutive naturals, for example, 33075 + ... + 49507.

It is an arithmetic number, because the mean of its divisors is an integer number (85686876).

Almost surely, 2^678535003 is an apocalyptic number.

678535003 is a deficient number, since it is larger than the sum of its proper divisors (6960005).

678535003 is a wasteful number, since it uses less digits than its factorization.

678535003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 678535003 is about 26048.7044399525. The cubic root of 678535003 is about 878.7339762373.

The spelling of 678535003 in words is "six hundred seventy-eight million, five hundred thirty-five thousand, three".