680832783 has 32 divisors (see below), whose sum is σ = 1027020480. Its totient is φ = 451256832.

The previous prime is 680832769. The next prime is 680832787. The reversal of 680832783 is 387238086.

680832783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680832783 - 2⁵ = 680832751 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680832787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421285 + ... + 422897.

It is an arithmetic number, because the mean of its divisors is an integer number (32094390).

Almost surely, 2^680832783 is an apocalyptic number.

680832783 is a deficient number, since it is larger than the sum of its proper divisors (346187697).

680832783 is an equidigital number, since it uses as much as digits as its factorization.

680832783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 680832783 is about 26092.7726200187. The cubic root of 680832783 is about 879.7247688684.

The spelling of 680832783 in words is "six hundred eighty million, eight hundred thirty-two thousand, seven hundred eighty-three".