680266719 has 36 divisors (see below), whose sum is σ = 1109312568. Its totient is φ = 401116320.

The previous prime is 680266703. The next prime is 680266729. The reversal of 680266719 is 917662086.

680266719 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 680266719 - 2⁴ = 680266703 is a prime.

It is a super-2 number, since 2×680266719² = 925525617958049922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680266729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31852 + ... + 48734.

It is an arithmetic number, because the mean of its divisors is an integer number (30814238).

Almost surely, 2^680266719 is an apocalyptic number.

680266719 is a deficient number, since it is larger than the sum of its proper divisors (429045849).

680266719 is a wasteful number, since it uses less digits than its factorization.

680266719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948 (or 16934 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 680266719 is about 26081.9232227993. The cubic root of 680266719 is about 879.4808917571.

The spelling of 680266719 in words is "six hundred eighty million, two hundred sixty-six thousand, seven hundred nineteen".