680011810 has 32 divisors (see below), whose sum is σ = 1245150720. Its totient is φ = 267328512.

The previous prime is 680011741. The next prime is 680011819. The reversal of 680011810 is 18110086.

It is a happy number.

It is a super-2 number, since 2×680011810² = 924832123478952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680011819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385711 + ... + 387469.

It is an arithmetic number, because the mean of its divisors is an integer number (38910960).

Almost surely, 2^680011810 is an apocalyptic number.

680011810 is a deficient number, since it is larger than the sum of its proper divisors (565138910).

680011810 is a wasteful number, since it uses less digits than its factorization.

680011810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 680011810 is about 26077.0360662404. The cubic root of 680011810 is about 879.3710252412.

Adding to 680011810 its reverse (18110086), we get a palindrome (698121896).

The spelling of 680011810 in words is "six hundred eighty million, eleven thousand, eight hundred ten".