68947206084 has 81 divisors (see below), whose sum is σ = 176358444717. Its totient is φ = 22711946688.

The previous prime is 68947206079. The next prime is 68947206121. The reversal of 68947206084 is 48060274986.

The square root of 68947206084 is 262578.

It is a perfect power (a square), and thus also a powerful number.

68947206084 is a `hidden beast` number, since 6 + 8 + 9 + 4 + 7 + 20 + 608 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63012044484 + 5935161600 = 251022^2 + 77040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68947206084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 168574872 + ... + 168575280.

Almost surely, 2^68947206084 is an apocalyptic number.

68947206084 is the 262578-th square number.

It is an amenable number.

68947206084 is an abundant number, since it is smaller than the sum of its proper divisors (107411238633).

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

68947206084 is a wasteful number, since it uses less digits than its factorization.

68947206084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 68947206084 in words is "sixty-eight billion, nine hundred forty-seven million, two hundred six thousand, eighty-four".