680627086555 has 16 divisors (see below), whose sum is σ = 885907542240. Its totient is φ = 499000969728.

The previous prime is 680627086549. The next prime is 680627086591. The reversal of 680627086555 is 555680726086.

680627086555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 680627086555 - 2⁵ = 680627086523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680627086555.

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, 37657102 + ... + 37675171.

It is an arithmetic number, because the mean of its divisors is an integer number (55369221390).

Almost surely, 2^680627086555 is an apocalyptic number.

680627086555 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

680627086555 is a deficient number, since it is larger than the sum of its proper divisors (205280455685).

680627086555 is a wasteful number, since it uses less digits than its factorization.

680627086555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75332430.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 680627086555 in words is "six hundred eighty billion, six hundred twenty-seven million, eighty-six thousand, five hundred fifty-five".