68883770612 has 6 divisors (see below), whose sum is σ = 120546598578. Its totient is φ = 34441885304.

The previous prime is 68883770597. The next prime is 68883770629. The reversal of 68883770612 is 21607738886.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61070271376 + 7813499236 = 247124^2 + 88394^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8610471323 + ... + 8610471330.

It is an arithmetic number, because the mean of its divisors is an integer number (20091099763).

Almost surely, 2^68883770612 is an apocalyptic number.

It is an amenable number.

68883770612 is a deficient number, since it is larger than the sum of its proper divisors (51662827966).

68883770612 is a wasteful number, since it uses less digits than its factorization.

68883770612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220942657 (or 17220942655 counting only the distinct ones).

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

The spelling of 68883770612 in words is "sixty-eight billion, eight hundred eighty-three million, seven hundred seventy thousand, six hundred twelve".