680850061 has 8 divisors (see below), whose sum is σ = 699628640. Its totient is φ = 662091408.

The previous prime is 680849969. The next prime is 680850067. The reversal of 680850061 is 160058086.

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 680850061 - 2⁹ = 680849549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680849999 and 680850026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680850067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87550 + ... + 95008.

It is an arithmetic number, because the mean of its divisors is an integer number (87453580).

Almost surely, 2^680850061 is an apocalyptic number.

It is an amenable number.

680850061 is a deficient number, since it is larger than the sum of its proper divisors (18778579).

680850061 is a wasteful number, since it uses less digits than its factorization.

680850061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 680850061 is about 26093.1037057687. The cubic root of 680850061 is about 879.7322106154.

The spelling of 680850061 in words is "six hundred eighty million, eight hundred fifty thousand, sixty-one".