680286258 has 48 divisors (see below), whose sum is σ = 1524646656. Its totient is φ = 218993760.

The previous prime is 680286223. The next prime is 680286259. The reversal of 680286258 is 852682086.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (680286259) 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 23 ways as a sum of consecutive naturals, for example, 363441 + ... + 365307.

It is an arithmetic number, because the mean of its divisors is an integer number (31763472).

Almost surely, 2^680286258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680286258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762323328).

680286258 is an abundant number, since it is smaller than the sum of its proper divisors (844360398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680286258 is a wasteful number, since it uses less digits than its factorization.

680286258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 680286258 is about 26082.2977898804. The cubic root of 680286258 is about 879.4893119900.

The spelling of 680286258 in words is "six hundred eighty million, two hundred eighty-six thousand, two hundred fifty-eight".