678233313 has 12 divisors (see below), whose sum is σ = 980029648. Its totient is φ = 451989720.

The previous prime is 678233299. The next prime is 678233317. The reversal of 678233313 is 313332876.

It is a happy number.

It is not a de Polignac number, because 678233313 - 2⁹ = 678232801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (678233317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15318 + ... + 39888.

Almost surely, 2^678233313 is an apocalyptic number.

It is an amenable number.

678233313 is a deficient number, since it is larger than the sum of its proper divisors (301796335).

678233313 is a wasteful number, since it uses less digits than its factorization.

678233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27644 (or 27641 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 678233313 is about 26042.9129131132. The cubic root of 678233313 is about 878.6037227981.

The spelling of 678233313 in words is "six hundred seventy-eight million, two hundred thirty-three thousand, three hundred thirteen".