680026677 has 16 divisors (see below), whose sum is σ = 990299712. Its totient is φ = 411649920.

The previous prime is 680026631. The next prime is 680026679. The reversal of 680026677 is 776620086.

It is not a de Polignac number, because 680026677 - 2⁸ = 680026421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680026679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17193 + ... + 40689.

It is an arithmetic number, because the mean of its divisors is an integer number (61893732).

Almost surely, 2^680026677 is an apocalyptic number.

It is an amenable number.

680026677 is a deficient number, since it is larger than the sum of its proper divisors (310273035).

680026677 is a wasteful number, since it uses less digits than its factorization.

680026677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24388.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 680026677 is about 26077.3211239192. The cubic root of 680026677 is about 879.3774337151.

The spelling of 680026677 in words is "six hundred eighty million, twenty-six thousand, six hundred seventy-seven".