686125876 has 12 divisors (see below), whose sum is σ = 1204183008. Its totient is φ = 342073592.

The previous prime is 686125873. The next prime is 686125889. The reversal of 686125876 is 678521686.

686125876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686125873) 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, 245776 + ... + 248551.

It is an arithmetic number, because the mean of its divisors is an integer number (100348584).

Almost surely, 2^686125876 is an apocalyptic number.

It is an amenable number.

686125876 is a deficient number, since it is larger than the sum of its proper divisors (518057132).

686125876 is a wasteful number, since it uses less digits than its factorization.

686125876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494678 (or 494676 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 686125876 is about 26194.0045812014. The cubic root of 686125876 is about 881.9986751042.

The spelling of 686125876 in words is "six hundred eighty-six million, one hundred twenty-five thousand, eight hundred seventy-six".