680111237 has 8 divisors (see below), whose sum is σ = 741699840. Its totient is φ = 619847280.

The previous prime is 680111233. The next prime is 680111261. The reversal of 680111237 is 732111086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680111237 - 2² = 680111233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680111233) 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, 330089 + ... + 332142.

It is an arithmetic number, because the mean of its divisors is an integer number (92712480).

Almost surely, 2^680111237 is an apocalyptic number.

It is an amenable number.

680111237 is a deficient number, since it is larger than the sum of its proper divisors (61588603).

680111237 is a wasteful number, since it uses less digits than its factorization.

680111237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662323.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 680111237 is about 26078.9424057035. The cubic root of 680111237 is about 879.4138818312.

The spelling of 680111237 in words is "six hundred eighty million, one hundred eleven thousand, two hundred thirty-seven".