68085655 has 16 divisors (see below), whose sum is σ = 90815904. Its totient is φ = 48580480.

The previous prime is 68085653. The next prime is 68085673. The reversal of 68085655 is 55658086.

It is not a de Polignac number, because 68085655 - 2¹ = 68085653 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 (68085653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8764 + ... + 14593.

It is an arithmetic number, because the mean of its divisors is an integer number (5675994).

Almost surely, 2^68085655 is an apocalyptic number.

68085655 is a deficient number, since it is larger than the sum of its proper divisors (22730249).

68085655 is a wasteful number, since it uses less digits than its factorization.

68085655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23426.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 68085655 is about 8251.4032139994. The cubic root of 68085655 is about 408.3368177777.

The spelling of 68085655 in words is "sixty-eight million, eighty-five thousand, six hundred fifty-five".