68348676780 has 36 divisors (see below), whose sum is σ = 207324320112. Its totient is φ = 18226313760.

The previous prime is 68348676769. The next prime is 68348676923. The reversal of 68348676780 is 8767684386.

68348676780 is a `hidden beast` number, since 6 + 8 + 3 + 486 + 76 + 7 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×68348676780² (a number of 22 digits) contains 22 as substring.

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, 189857256 + ... + 189857615.

It is an arithmetic number, because the mean of its divisors is an integer number (5759008892).

Almost surely, 2^68348676780 is an apocalyptic number.

68348676780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68348676780 is an abundant number, since it is smaller than the sum of its proper divisors (138975643332).

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

68348676780 is a wasteful number, since it uses less digits than its factorization.

68348676780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379714886 (or 379714881 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 68348676780 in words is "sixty-eight billion, three hundred forty-eight million, six hundred seventy-six thousand, seven hundred eighty".