678770744 has 32 divisors (see below), whose sum is σ = 1372366800. Its totient is φ = 313678080.

The previous prime is 678770737. The next prime is 678770767. The reversal of 678770744 is 447077876.

It is a junction number, because it is equal to n+sod(n) for n = 678770692 and 678770701.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48227 + ... + 60690.

Almost surely, 2^678770744 is an apocalyptic number.

It is an amenable number.

678770744 is an abundant number, since it is smaller than the sum of its proper divisors (693596056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678770744 is a wasteful number, since it uses less digits than its factorization.

678770744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108983 (or 108979 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 50.

The square root of 678770744 is about 26053.2290513096. The cubic root of 678770744 is about 878.8357295931.

The spelling of 678770744 in words is "six hundred seventy-eight million, seven hundred seventy thousand, seven hundred forty-four".