68078152283263 has 4 divisors (see below), whose sum is σ = 68135796782568. Its totient is φ = 68020507783960.

The previous prime is 68078152283243. The next prime is 68078152283299. The reversal of 68078152283263 is 36238225187086.

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 68078152283263 - 2⁵ = 68078152283231 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 (68078152283213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28822247881 + ... + 28822250242.

It is an arithmetic number, because the mean of its divisors is an integer number (17033949195642).

Almost surely, 2^{68078152283263} is an apocalyptic number.

68078152283263 is a deficient number, since it is larger than the sum of its proper divisors (57644499305).

68078152283263 is a wasteful number, since it uses less digits than its factorization.

68078152283263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57644499304.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 68078152283263 in words is "sixty-eight trillion, seventy-eight billion, one hundred fifty-two million, two hundred eighty-three thousand, two hundred sixty-three".