680885719 has 8 divisors (see below), whose sum is σ = 685734512. Its totient is φ = 676045440.

The previous prime is 680885701. The next prime is 680885759. The reversal of 680885719 is 917588086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680885719 - 2⁵ = 680885687 is a prime.

It is a super-2 number, since 2×680885719² = 927210724676293922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680885759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313999 + ... + 316159.

It is an arithmetic number, because the mean of its divisors is an integer number (85716814).

Almost surely, 2^680885719 is an apocalyptic number.

680885719 is a deficient number, since it is larger than the sum of its proper divisors (4848793).

680885719 is a wasteful number, since it uses less digits than its factorization.

680885719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its (nonzero) digits is 967680, while the sum is 52.

The square root of 680885719 is about 26093.7869808121. The cubic root of 680885719 is about 879.7475683500.

The spelling of 680885719 in words is "six hundred eighty million, eight hundred eighty-five thousand, seven hundred nineteen".