680850780 has 24 divisors (see below), whose sum is σ = 1906382352. Its totient is φ = 181560192.

The previous prime is 680850757. The next prime is 680850809. The reversal of 680850780 is 87058086.

It is a happy number.

680850780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673697 + ... + 5673816.

It is an arithmetic number, because the mean of its divisors is an integer number (79432598).

Almost surely, 2^680850780 is an apocalyptic number.

680850780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680850780 is an abundant number, since it is smaller than the sum of its proper divisors (1225531572).

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

680850780 is a wasteful number, since it uses less digits than its factorization.

680850780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347525 (or 11347523 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 680850780 is about 26093.1174833518. The cubic root of 680850780 is about 879.7325202907.

The spelling of 680850780 in words is "six hundred eighty million, eight hundred fifty thousand, seven hundred eighty".