68080776860 has 24 divisors (see below), whose sum is σ = 151379610480. Its totient is φ = 25630409984.

The previous prime is 68080776857. The next prime is 68080776887. The reversal of 68080776860 is 6867708086.

It is a super-2 number, since 2×68080776860² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68080776796 and 68080776805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100118450 + ... + 100119129.

It is an arithmetic number, because the mean of its divisors is an integer number (6307483770).

Almost surely, 2^68080776860 is an apocalyptic number.

It is an amenable number.

68080776860 is an abundant number, since it is smaller than the sum of its proper divisors (83298833620).

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

68080776860 is a wasteful number, since it uses less digits than its factorization.

68080776860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200237605 (or 200237603 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 68080776860 in words is "sixty-eight billion, eighty million, seven hundred seventy-six thousand, eight hundred sixty".