68678555013696 has 112 divisors (see below), whose sum is σ = 181798261061120. Its totient is φ = 22881988546560.

The previous prime is 68678555013641. The next prime is 68678555013707. The reversal of 68678555013696 is 69631055587686.

It is a happy number.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

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, 4759091601 + ... + 4759106031.

Almost surely, 2^{68678555013696} is an apocalyptic number.

It is an amenable number.

68678555013696 is an abundant number, since it is smaller than the sum of its proper divisors (113119706047424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68678555013696 is a wasteful number, since it uses less digits than its factorization.

68678555013696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24492 (or 24482 counting only the distinct ones).

The product of its (nonzero) digits is 1959552000, while the sum is 75.

The spelling of 68678555013696 in words is "sixty-eight trillion, six hundred seventy-eight billion, five hundred fifty-five million, thirteen thousand, six hundred ninety-six".