68206888754 has 8 divisors (see below), whose sum is σ = 102399070620. Its totient is φ = 34073865216.

The previous prime is 68206888667. The next prime is 68206888819. The reversal of 68206888754 is 45788860286.

It can be written as a sum of positive squares in 2 ways, for example, as 65396298529 + 2810590225 = 255727^2 + 53015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14786699 + ... + 14791310.

Almost surely, 2^68206888754 is an apocalyptic number.

68206888754 is a deficient number, since it is larger than the sum of its proper divisors (34192181866).

68206888754 is a wasteful number, since it uses less digits than its factorization.

68206888754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29579164.

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 68206888754 in words is "sixty-eight billion, two hundred six million, eight hundred eighty-eight thousand, seven hundred fifty-four".