678380603 has 4 divisors (see below), whose sum is σ = 678622560. Its totient is φ = 678138648.

The previous prime is 678380567. The next prime is 678380623. The reversal of 678380603 is 306083876.

678380603 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 678380603 - 2¹⁰ = 678379579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678380623) 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, 116723 + ... + 122396.

It is an arithmetic number, because the mean of its divisors is an integer number (169655640).

Almost surely, 2^678380603 is an apocalyptic number.

678380603 is a deficient number, since it is larger than the sum of its proper divisors (241957).

678380603 is a wasteful number, since it uses less digits than its factorization.

678380603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241956.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 678380603 is about 26045.7405922734. The cubic root of 678380603 is about 878.6673194853.

The spelling of 678380603 in words is "six hundred seventy-eight million, three hundred eighty thousand, six hundred three".