678019848 has 64 divisors (see below), whose sum is σ = 1908817920. Its totient is φ = 198830400.

The previous prime is 678019843. The next prime is 678019871. The reversal of 678019848 is 848910876.

It is a self number, because there is not a number n which added to its sum of digits gives 678019848.

It is not an unprimeable number, because it can be changed into a prime (678019841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33240 + ... + 49607.

It is an arithmetic number, because the mean of its divisors is an integer number (29825280).

Almost surely, 2^678019848 is an apocalyptic number.

It is an amenable number.

678019848 is an abundant number, since it is smaller than the sum of its proper divisors (1230798072).

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

678019848 is a wasteful number, since it uses less digits than its factorization.

678019848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82898 (or 82894 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 678019848 is about 26038.8142587177. The cubic root of 678019848 is about 878.5115368104.

The spelling of 678019848 in words is "six hundred seventy-eight million, nineteen thousand, eight hundred forty-eight".