678863875277 has 8 divisors (see below), whose sum is σ = 775868064000. Its totient is φ = 581865595344.

The previous prime is 678863875267. The next prime is 678863875309. The reversal of 678863875277 is 772578368876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678863875277 - 2²² = 678859680973 is a prime.

It is a super-4 number, since 4×678863875277⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678863875267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228202 + ... + 1692987.

It is an arithmetic number, because the mean of its divisors is an integer number (96983508000).

Almost surely, 2^678863875277 is an apocalyptic number.

It is an amenable number.

678863875277 is a deficient number, since it is larger than the sum of its proper divisors (97004188723).

678863875277 is a wasteful number, since it uses less digits than its factorization.

678863875277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954395.

The product of its digits is 1327656960, while the sum is 74.

The spelling of 678863875277 in words is "six hundred seventy-eight billion, eight hundred sixty-three million, eight hundred seventy-five thousand, two hundred seventy-seven".