680129086 has 32 divisors (see below), whose sum is σ = 1262939328. Its totient is φ = 267494400.

The previous prime is 680129071. The next prime is 680129117. The reversal of 680129086 is 680921086.

680129086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×680129086³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20686 + ... + 42286.

It is an arithmetic number, because the mean of its divisors is an integer number (39466854).

Almost surely, 2^680129086 is an apocalyptic number.

680129086 is a deficient number, since it is larger than the sum of its proper divisors (582810242).

680129086 is a wasteful number, since it uses less digits than its factorization.

680129086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 680129086 is about 26079.2846144215. The cubic root of 680129086 is about 879.4215749458.

The spelling of 680129086 in words is "six hundred eighty million, one hundred twenty-nine thousand, eighty-six".