680548648 has 16 divisors (see below), whose sum is σ = 1374184980. Its totient is φ = 314099328.

The previous prime is 680548643. The next prime is 680548651. The reversal of 680548648 is 846845086.

It can be written as a sum of positive squares in 2 ways, for example, as 644042884 + 36505764 = 25378^2 + 6042^2 .

It is not an unprimeable number, because it can be changed into a prime (680548643) 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, 3271765 + ... + 3271972.

Almost surely, 2^680548648 is an apocalyptic number.

It is an amenable number.

680548648 is an abundant number, since it is smaller than the sum of its proper divisors (693636332).

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

680548648 is a wasteful number, since it uses less digits than its factorization.

680548648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543756 (or 6543752 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 680548648 is about 26087.3273449006. The cubic root of 680548648 is about 879.6023720118.

The spelling of 680548648 in words is "six hundred eighty million, five hundred forty-eight thousand, six hundred forty-eight".