678519048 has 32 divisors (see below), whose sum is σ = 1708509600. Its totient is φ = 224544768.

The previous prime is 678519029. The next prime is 678519073. The reversal of 678519048 is 840915876.

It is a junction number, because it is equal to n+sod(n) for n = 678518988 and 678519006.

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, 98361 + ... + 105032.

It is an arithmetic number, because the mean of its divisors is an integer number (53390925).

Almost surely, 2^678519048 is an apocalyptic number.

It is an amenable number.

678519048 is an abundant number, since it is smaller than the sum of its proper divisors (1029990552).

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

678519048 is a wasteful number, since it uses less digits than its factorization.

678519048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203541 (or 203537 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 678519048 is about 26048.3981849172. The cubic root of 678519048 is about 878.7270886975.

The spelling of 678519048 in words is "six hundred seventy-eight million, five hundred nineteen thousand, forty-eight".