2068278684767 has 4 divisors (see below), whose sum is σ = 2102184892776. Its totient is φ = 2034372476760.

The previous prime is 2068278684751. The next prime is 2068278684803. The reversal of 2068278684767 is 7674868728602.

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 2068278684767 - 2⁴ = 2068278684751 is a prime.

It is a super-2 number, since 2×2068278684767² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2068278684767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068278684727) 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, 16953103913 + ... + 16953104034.

It is an arithmetic number, because the mean of its divisors is an integer number (525546223194).

Almost surely, 2^{2068278684767} is an apocalyptic number.

2068278684767 is a deficient number, since it is larger than the sum of its proper divisors (33906208009).

2068278684767 is an equidigital number, since it uses as much as digits as its factorization.

2068278684767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33906208008.

The product of its (nonzero) digits is 606928896, while the sum is 71.

The spelling of 2068278684767 in words is "two trillion, sixty-eight billion, two hundred seventy-eight million, six hundred eighty-four thousand, seven hundred sixty-seven".