680624850 has 24 divisors (see below), whose sum is σ = 1687950000. Its totient is φ = 181499920.

The previous prime is 680624849. The next prime is 680624873. The reversal of 680624850 is 58426086.

It is a junction number, because it is equal to n+sod(n) for n = 680624799 and 680624808.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2268600 + ... + 2268899.

It is an arithmetic number, because the mean of its divisors is an integer number (70331250).

Almost surely, 2^680624850 is an apocalyptic number.

680624850 is an abundant number, since it is smaller than the sum of its proper divisors (1007325150).

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

680624850 is a wasteful number, since it uses less digits than its factorization.

680624850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537514 (or 4537509 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 680624850 is about 26088.7878215911. The cubic root of 680624850 is about 879.6352008960.

The spelling of 680624850 in words is "six hundred eighty million, six hundred twenty-four thousand, eight hundred fifty".