68038435087 has 8 divisors (see below), whose sum is σ = 77931396000. Its totient is φ = 58188770304.

The previous prime is 68038435063. The next prime is 68038435133. The reversal of 68038435087 is 78053483086.

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

It is not a de Polignac number, because 68038435087 - 2¹⁵ = 68038402319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68038405087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10820662 + ... + 10826947.

It is an arithmetic number, because the mean of its divisors is an integer number (9741424500).

Almost surely, 2^68038435087 is an apocalyptic number.

68038435087 is a deficient number, since it is larger than the sum of its proper divisors (9892960913).

68038435087 is a wasteful number, since it uses less digits than its factorization.

68038435087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21648065.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 68038435087 in words is "sixty-eight billion, thirty-eight million, four hundred thirty-five thousand, eighty-seven".