678362313 has 4 divisors (see below), whose sum is σ = 904483088. Its totient is φ = 452241540.

The previous prime is 678362309. The next prime is 678362341. The reversal of 678362313 is 313263876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 678362313 - 2² = 678362309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678366313) 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 3 ways as a sum of consecutive naturals, for example, 113060383 + ... + 113060388.

It is an arithmetic number, because the mean of its divisors is an integer number (226120772).

Almost surely, 2^678362313 is an apocalyptic number.

It is an amenable number.

678362313 is a deficient number, since it is larger than the sum of its proper divisors (226120775).

678362313 is a wasteful number, since it uses less digits than its factorization.

678362313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226120774.

The product of its digits is 108864, while the sum is 39.

The square root of 678362313 is about 26045.3894768345. The cubic root of 678362313 is about 878.6594227532.

It can be divided in two parts, 6783 and 62313, that added together give a palindrome (69096).

The spelling of 678362313 in words is "six hundred seventy-eight million, three hundred sixty-two thousand, three hundred thirteen".