680111238 has 32 divisors (see below), whose sum is σ = 1384295040. Its totient is φ = 222710400.

The previous prime is 680111233. The next prime is 680111261. The reversal of 680111238 is 832111086.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 159093 + ... + 163311.

It is an arithmetic number, because the mean of its divisors is an integer number (43259220).

Almost surely, 2^680111238 is an apocalyptic number.

680111238 is an abundant number, since it is smaller than the sum of its proper divisors (704183802).

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

680111238 is a wasteful number, since it uses less digits than its factorization.

680111238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 680111238 is about 26078.9424248761. The cubic root of 680111238 is about 879.4138822622.

The spelling of 680111238 in words is "six hundred eighty million, one hundred eleven thousand, two hundred thirty-eight".