680287233 has 16 divisors (see below), whose sum is σ = 920215296. Its totient is φ = 446987520.

The previous prime is 680287207. The next prime is 680287243. The reversal of 680287233 is 332782086.

It is a happy number.

It is not a de Polignac number, because 680287233 - 2⁹ = 680286721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680287191 and 680287200.

It is not an unprimeable number, because it can be changed into a prime (680287243) 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, 55816 + ... + 66902.

It is an arithmetic number, because the mean of its divisors is an integer number (57513456).

Almost surely, 2^680287233 is an apocalyptic number.

It is an amenable number.

680287233 is a deficient number, since it is larger than the sum of its proper divisors (239928063).

680287233 is a wasteful number, since it uses less digits than its factorization.

680287233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 680287233 is about 26082.3164807116. The cubic root of 680287233 is about 879.4897321571.

The spelling of 680287233 in words is "six hundred eighty million, two hundred eighty-seven thousand, two hundred thirty-three".