68043956027 has 4 divisors (see below), whose sum is σ = 68095544880. Its totient is φ = 67992367176.

The previous prime is 68043956023. The next prime is 68043956047. The reversal of 68043956027 is 72065934086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68043956027 - 2² = 68043956023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68043956023) 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, 25792448 + ... + 25795085.

It is an arithmetic number, because the mean of its divisors is an integer number (17023886220).

Almost surely, 2^68043956027 is an apocalyptic number.

68043956027 is a deficient number, since it is larger than the sum of its proper divisors (51588853).

68043956027 is a wasteful number, since it uses less digits than its factorization.

68043956027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51588852.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 68043956027 in words is "sixty-eight billion, forty-three million, nine hundred fifty-six thousand, twenty-seven".