68979416277 has 8 divisors (see below), whose sum is σ = 91990300320. Its totient is φ = 45977404880.

The previous prime is 68979416273. The next prime is 68979416279. The reversal of 68979416277 is 77261497986.

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 68979416277 - 2² = 68979416273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68979416273) 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, 2199999 + ... + 2231132.

It is an arithmetic number, because the mean of its divisors is an integer number (11498787540).

Almost surely, 2^68979416277 is an apocalyptic number.

It is an amenable number.

68979416277 is a deficient number, since it is larger than the sum of its proper divisors (23010884043).

68979416277 is a wasteful number, since it uses less digits than its factorization.

68979416277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436323.

The product of its digits is 64012032, while the sum is 66.

The spelling of 68979416277 in words is "sixty-eight billion, nine hundred seventy-nine million, four hundred sixteen thousand, two hundred seventy-seven".