680211727 has 8 divisors (see below), whose sum is σ = 732748464. Its totient is φ = 627705408.

The previous prime is 680211677. The next prime is 680211739. The reversal of 680211727 is 727112086.

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 a de Polignac number, because none of the positive numbers 2^k-680211727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680211692 and 680211701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680211787) 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, 63588 + ... + 73510.

It is an arithmetic number, because the mean of its divisors is an integer number (91593558).

Almost surely, 2^680211727 is an apocalyptic number.

680211727 is a deficient number, since it is larger than the sum of its proper divisors (52536737).

680211727 is a wasteful number, since it uses less digits than its factorization.

680211727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 680211727 is about 26080.8689847559. The cubic root of 680211727 is about 879.4571923683.

The spelling of 680211727 in words is "six hundred eighty million, two hundred eleven thousand, seven hundred twenty-seven".