68382823906 has 8 divisors (see below), whose sum is σ = 102741569244. Its totient is φ = 34135634160.

The previous prime is 68382823891. The next prime is 68382823909. The reversal of 68382823906 is 60932828386.

It can be written as a sum of positive squares in 2 ways, for example, as 64587647881 + 3795176025 = 254141^2 + 61605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68382823909) 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, 27887365 + ... + 27889816.

Almost surely, 2^68382823906 is an apocalyptic number.

68382823906 is a deficient number, since it is larger than the sum of its proper divisors (34358745338).

68382823906 is a wasteful number, since it uses less digits than its factorization.

68382823906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55777796.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 68382823906 in words is "sixty-eight billion, three hundred eighty-two million, eight hundred twenty-three thousand, nine hundred six".