268723108445678 has 8 divisors (see below), whose sum is σ = 403544280302472. Its totient is φ = 134208348344856.

The previous prime is 268723108445669. The next prime is 268723108445681. The reversal of 268723108445678 is 876544801327862.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76602936800 + ... + 76602940307.

It is an arithmetic number, because the mean of its divisors is an integer number (50443035037809).

Almost surely, 2^{268723108445678} is an apocalyptic number.

268723108445678 is a deficient number, since it is larger than the sum of its proper divisors (134821171856794).

268723108445678 is a wasteful number, since it uses less digits than its factorization.

268723108445678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153205877986.

The product of its (nonzero) digits is 867041280, while the sum is 71.

The spelling of 268723108445678 in words is "two hundred sixty-eight trillion, seven hundred twenty-three billion, one hundred eight million, four hundred forty-five thousand, six hundred seventy-eight".