68767104771208 has 16 divisors (see below), whose sum is σ = 128963074513500. Its totient is φ = 34376951567616.

The previous prime is 68767104771181. The next prime is 68767104771221. The reversal of 68767104771208 is 80217740176786.

It can be written as a sum of positive squares in 2 ways, for example, as 68735739652804 + 31365118404 = 8290702^2 + 177102^2 .

It is a super-2 number, since 2×68767104771208² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68767104771208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825057973 + ... + 825141316.

Almost surely, 2^{68767104771208} is an apocalyptic number.

It is an amenable number.

68767104771208 is a deficient number, since it is larger than the sum of its proper divisors (60195969742292).

68767104771208 is a wasteful number, since it uses less digits than its factorization.

68767104771208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650204504 (or 1650204500 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 64.

The spelling of 68767104771208 in words is "sixty-eight trillion, seven hundred sixty-seven billion, one hundred four million, seven hundred seventy-one thousand, two hundred eight".