678586948 has 12 divisors (see below), whose sum is σ = 1278875500. Its totient is φ = 313193952.

The previous prime is 678586891. The next prime is 678586949. The reversal of 678586948 is 849685876.

It can be written as a sum of positive squares in 2 ways, for example, as 159567424 + 519019524 = 12632^2 + 22782^2 .

It is not an unprimeable number, because it can be changed into a prime (678586949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6524823 + ... + 6524926.

Almost surely, 2^678586948 is an apocalyptic number.

It is an amenable number.

678586948 is a deficient number, since it is larger than the sum of its proper divisors (600288552).

678586948 is a wasteful number, since it uses less digits than its factorization.

678586948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049766 (or 13049764 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The square root of 678586948 is about 26049.7014954107. The cubic root of 678586948 is about 878.7563993849.

The spelling of 678586948 in words is "six hundred seventy-eight million, five hundred eighty-six thousand, nine hundred forty-eight".