678322605 has 8 divisors (see below), whose sum is σ = 1085316192. Its totient is φ = 361772048.

The previous prime is 678322597. The next prime is 678322613. The reversal of 678322605 is 506223876.

678322605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (678322597) and next prime (678322613).

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 678322605 - 2³ = 678322597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22610739 + ... + 22610768.

It is an arithmetic number, because the mean of its divisors is an integer number (135664524).

Almost surely, 2^678322605 is an apocalyptic number.

It is an amenable number.

678322605 is a deficient number, since it is larger than the sum of its proper divisors (406993587).

678322605 is a wasteful number, since it uses less digits than its factorization.

678322605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45221515.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 678322605 is about 26044.6271810521. The cubic root of 678322605 is about 878.6422782821.

The spelling of 678322605 in words is "six hundred seventy-eight million, three hundred twenty-two thousand, six hundred five".