680650328 has 8 divisors (see below), whose sum is σ = 1276219380. Its totient is φ = 340325160.

The previous prime is 680650309. The next prime is 680650349. The reversal of 680650328 is 823056086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 680650291 and 680650300.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 42540638 + ... + 42540653.

Almost surely, 2^680650328 is an apocalyptic number.

It is an amenable number.

680650328 is a deficient number, since it is larger than the sum of its proper divisors (595569052).

680650328 is a wasteful number, since it uses less digits than its factorization.

680650328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85081297 (or 85081293 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 680650328 is about 26089.2761110768. The cubic root of 680650328 is about 879.6461766271.

The spelling of 680650328 in words is "six hundred eighty million, six hundred fifty thousand, three hundred twenty-eight".