680879123716 has 27 divisors (see below), whose sum is σ = 1309742490567. Its totient is φ = 309482259240.

The previous prime is 680879123713. The next prime is 680879123719. The reversal of 680879123716 is 617321978086.

The square root of 680879123716 is 825154.

It is a perfect power (a square), and thus also a powerful number.

680879123716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680879123713) and next prime (680879123719).

It is a super-2 number, since 2×680879123716² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680879123713) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18134635 + ... + 18172141.

Almost surely, 2^680879123716 is an apocalyptic number.

680879123716 is the 825154-th square number.

It is an amenable number.

680879123716 is a deficient number, since it is larger than the sum of its proper divisors (628863366851).

680879123716 is an frugal number, since it uses more digits than its factorization.

680879123716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75040 (or 37520 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 680879123716 in words is "six hundred eighty billion, eight hundred seventy-nine million, one hundred twenty-three thousand, seven hundred sixteen".