680261853 has 8 divisors (see below), whose sum is σ = 908346528. Its totient is φ = 452842544.

The previous prime is 680261843. The next prime is 680261867. The reversal of 680261853 is 358162086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680261853 - 2⁶ = 680261789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680261843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163950 + ... + 168047.

It is an arithmetic number, because the mean of its divisors is an integer number (113543316).

Almost surely, 2^680261853 is an apocalyptic number.

It is an amenable number.

680261853 is a deficient number, since it is larger than the sum of its proper divisors (228084675).

680261853 is a wasteful number, since it uses less digits than its factorization.

680261853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332683.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 680261853 is about 26081.8299396342. The cubic root of 680261853 is about 879.4787947541.

The spelling of 680261853 in words is "six hundred eighty million, two hundred sixty-one thousand, eight hundred fifty-three".