678774313 has 12 divisors (see below), whose sum is σ = 793148160. Its totient is φ = 579188232.

The previous prime is 678774301. The next prime is 678774359. The reversal of 678774313 is 313477876.

It is not a de Polignac number, because 678774313 - 2²⁵ = 645219881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678774013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20133 + ... + 41986.

It is an arithmetic number, because the mean of its divisors is an integer number (66095680).

Almost surely, 2^678774313 is an apocalyptic number.

It is an amenable number.

678774313 is a deficient number, since it is larger than the sum of its proper divisors (114373847).

678774313 is a wasteful number, since it uses less digits than its factorization.

678774313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62356 (or 62349 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The square root of 678774313 is about 26053.2975456083. The cubic root of 678774313 is about 878.8372699066.

The spelling of 678774313 in words is "six hundred seventy-eight million, seven hundred seventy-four thousand, three hundred thirteen".