68758865 has 16 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 47050944.

The previous prime is 68758847. The next prime is 68758867. The reversal of 68758865 is 56885786.

It is a cyclic number.

It is not a de Polignac number, because 68758865 - 2¹⁰ = 68757841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68758867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17732 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (5905872).

Almost surely, 2^68758865 is an apocalyptic number.

It is an amenable number.

68758865 is a deficient number, since it is larger than the sum of its proper divisors (25735087).

68758865 is a wasteful number, since it uses less digits than its factorization.

68758865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its digits is 3225600, while the sum is 53.

The square root of 68758865 is about 8292.0965382706. The cubic root of 68758865 is about 409.6782425025.

The spelling of 68758865 in words is "sixty-eight million, seven hundred fifty-eight thousand, eight hundred sixty-five".