680611000 has 32 divisors (see below), whose sum is σ = 1592632080. Its totient is φ = 272244000.

The previous prime is 680610949. The next prime is 680611037. The reversal of 680611000 is 116086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339306 + ... + 341305.

Almost surely, 2^680611000 is an apocalyptic number.

It is an amenable number.

680611000 is an abundant number, since it is smaller than the sum of its proper divisors (912021080).

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

680611000 is a wasteful number, since it uses less digits than its factorization.

680611000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680632 (or 680618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 680611000 is about 26088.5223805412. The cubic root of 680611000 is about 879.6292343051.

Adding to 680611000 its reverse (116086), we get a palindrome (680727086).

The spelling of 680611000 in words is "six hundred eighty million, six hundred eleven thousand".