686032860338 has 32 divisors (see below), whose sum is σ = 1206407917440. Its totient is φ = 286460294400.

The previous prime is 686032860307. The next prime is 686032860353. The reversal of 686032860338 is 833068230686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 686032860338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179533 + ... + 1662336.

It is an arithmetic number, because the mean of its divisors is an integer number (37700247420).

Almost surely, 2^686032860338 is an apocalyptic number.

686032860338 is a deficient number, since it is larger than the sum of its proper divisors (520375057102).

686032860338 is a wasteful number, since it uses less digits than its factorization.

686032860338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842322.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 686032860338 in words is "six hundred eighty-six billion, thirty-two million, eight hundred sixty thousand, three hundred thirty-eight".