68551727528678 has 32 divisors (see below), whose sum is σ = 106411564637280. Its totient is φ = 33099086039040.

The previous prime is 68551727528677. The next prime is 68551727528689. The reversal of 68551727528678 is 87682572715586.

It is a super-3 number, since 3×68551727528678³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 68551727528599 and 68551727528608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68551727528677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842026 + ... + 11853122.

It is an arithmetic number, because the mean of its divisors is an integer number (3325361394915).

Almost surely, 2^{68551727528678} is an apocalyptic number.

68551727528678 is a deficient number, since it is larger than the sum of its proper divisors (37859837108602).

68551727528678 is a wasteful number, since it uses less digits than its factorization.

68551727528678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011992.

The product of its digits is 3161088000, while the sum is 77.

The spelling of 68551727528678 in words is "sixty-eight trillion, five hundred fifty-one billion, seven hundred twenty-seven million, five hundred twenty-eight thousand, six hundred seventy-eight".