68851328986 has 16 divisors (see below), whose sum is σ = 112673439648. Its totient is φ = 31293939600.

The previous prime is 68851328981. The next prime is 68851329007. The reversal of 68851328986 is 68982315886.

It is not an unprimeable number, because it can be changed into a prime (68851328981) 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, 253441 + ... + 449371.

It is an arithmetic number, because the mean of its divisors is an integer number (7042089978).

Almost surely, 2^68851328986 is an apocalyptic number.

68851328986 is a deficient number, since it is larger than the sum of its proper divisors (43822110662).

68851328986 is a wasteful number, since it uses less digits than its factorization.

68851328986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211917.

The product of its digits is 39813120, while the sum is 64.

The spelling of 68851328986 in words is "sixty-eight billion, eight hundred fifty-one million, three hundred twenty-eight thousand, nine hundred eighty-six".