680942852 has 12 divisors (see below), whose sum is σ = 1232741580. Its totient is φ = 328730976.

The previous prime is 680942851. The next prime is 680942861. The reversal of 680942852 is 258249086.

It can be written as a sum of positive squares in 2 ways, for example, as 180257476 + 500685376 = 13426^2 + 22376^2 .

It is not an unprimeable number, because it can be changed into a prime (680942851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934983 + ... + 2935214.

It is an arithmetic number, because the mean of its divisors is an integer number (102728465).

Almost surely, 2^680942852 is an apocalyptic number.

It is an amenable number.

680942852 is a deficient number, since it is larger than the sum of its proper divisors (551798728).

680942852 is a wasteful number, since it uses less digits than its factorization.

680942852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870230 (or 5870228 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 680942852 is about 26094.8817203681. The cubic root of 680942852 is about 879.7721741493.

The spelling of 680942852 in words is "six hundred eighty million, nine hundred forty-two thousand, eight hundred fifty-two".