680986303 has 4 divisors (see below), whose sum is σ = 681042600. Its totient is φ = 680930008.

The previous prime is 680986279. The next prime is 680986307. The reversal of 680986303 is 303689086.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680986303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680986303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680986307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753 + ... + 36946.

It is an arithmetic number, because the mean of its divisors is an integer number (170260650).

Almost surely, 2^680986303 is an apocalyptic number.

680986303 is a deficient number, since it is larger than the sum of its proper divisors (56297).

680986303 is a wasteful number, since it uses less digits than its factorization.

680986303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56296.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 680986303 is about 26095.7142649900. The cubic root of 680986303 is about 879.7908865212.

The spelling of 680986303 in words is "six hundred eighty million, nine hundred eighty-six thousand, three hundred three".