680926543 has 16 divisors (see below), whose sum is σ = 761751936. Its totient is φ = 603318240.

The previous prime is 680926529. The next prime is 680926567. The reversal of 680926543 is 345629086.

680926543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 680926543 - 2¹⁷ = 680795471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 680926543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680926243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265021 + ... + 267577.

It is an arithmetic number, because the mean of its divisors is an integer number (47609496).

Almost surely, 2^680926543 is an apocalyptic number.

680926543 is a deficient number, since it is larger than the sum of its proper divisors (80825393).

680926543 is a wasteful number, since it uses less digits than its factorization.

680926543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 680926543 is about 26094.5692242658. The cubic root of 680926543 is about 879.7651503984.

The spelling of 680926543 in words is "six hundred eighty million, nine hundred twenty-six thousand, five hundred forty-three".