68027893903 has 4 divisors (see below), whose sum is σ = 68030669128. Its totient is φ = 68025118680.

The previous prime is 68027893877. The next prime is 68027893919. The reversal of 68027893903 is 30939872086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30939872086 = 2 ⋅15469936043.

It is a cyclic number.

It is not a de Polignac number, because 68027893903 - 2⁹ = 68027893391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68027893943) 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, 1350513 + ... + 1399978.

It is an arithmetic number, because the mean of its divisors is an integer number (17007667282).

Almost surely, 2^68027893903 is an apocalyptic number.

68027893903 is a deficient number, since it is larger than the sum of its proper divisors (2775225).

68027893903 is a wasteful number, since it uses less digits than its factorization.

68027893903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775224.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 68027893903 in words is "sixty-eight billion, twenty-seven million, eight hundred ninety-three thousand, nine hundred three".