678499960 has 32 divisors (see below), whose sum is σ = 1547544240. Its totient is φ = 267681024.

The previous prime is 678499949. The next prime is 678499963. The reversal of 678499960 is 69994876.

It is a junction number, because it is equal to n+sod(n) for n = 678499895 and 678499904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678499963) 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 7 ways as a sum of consecutive naturals, for example, 113262 + ... + 119101.

Almost surely, 2^678499960 is an apocalyptic number.

It is an amenable number.

678499960 is an abundant number, since it is smaller than the sum of its proper divisors (869044280).

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

678499960 is a wasteful number, since it uses less digits than its factorization.

678499960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232447 (or 232443 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 678499960 is about 26048.0317874499. The cubic root of 678499960 is about 878.7188485457.

The spelling of 678499960 in words is "six hundred seventy-eight million, four hundred ninety-nine thousand, nine hundred sixty".