680764366 has 4 divisors (see below), whose sum is σ = 1021146552. Its totient is φ = 340382182.

The previous prime is 680764339. The next prime is 680764367. The reversal of 680764366 is 663467086.

680764366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680764367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170191090 + ... + 170191093.

It is an arithmetic number, because the mean of its divisors is an integer number (255286638).

Almost surely, 2^680764366 is an apocalyptic number.

680764366 is a deficient number, since it is larger than the sum of its proper divisors (340382186).

680764366 is a wasteful number, since it uses less digits than its factorization.

680764366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340382185.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 680764366 is about 26091.4615535428. The cubic root of 680764366 is about 879.6952999850.

The spelling of 680764366 in words is "six hundred eighty million, seven hundred sixty-four thousand, three hundred sixty-six".