68077144010008 has 48 divisors (see below), whose sum is σ = 148485532491720. Its totient is φ = 29175733093248.

The previous prime is 68077144009943. The next prime is 68077144010021. The reversal of 68077144010008 is 80001044177086.

It is a super-2 number, since 2×68077144010008² (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 68077144010008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73844316 + ... + 74760532.

Almost surely, 2^{68077144010008} is an apocalyptic number.

It is an amenable number.

68077144010008 is an abundant number, since it is smaller than the sum of its proper divisors (80408388481712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68077144010008 is a wasteful number, since it uses less digits than its factorization.

68077144010008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105784 (or 1105773 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 68077144010008 in words is "sixty-eight trillion, seventy-seven billion, one hundred forty-four million, ten thousand, eight".