68686365 has 16 divisors (see below), whose sum is σ = 119889216. Its totient is φ = 33302400.

The previous prime is 68686339. The next prime is 68686369. The reversal of 68686365 is 56368686.

It is not a de Polignac number, because 68686365 - 2⁵ = 68686333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68686369) 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, 207976 + ... + 208305.

It is an arithmetic number, because the mean of its divisors is an integer number (7493076).

Almost surely, 2^68686365 is an apocalyptic number.

It is an amenable number.

68686365 is a deficient number, since it is larger than the sum of its proper divisors (51202851).

68686365 is a wasteful number, since it uses less digits than its factorization.

68686365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416300.

The product of its digits is 1244160, while the sum is 48.

The square root of 68686365 is about 8287.7237526356. The cubic root of 68686365 is about 409.5342023222.

The spelling of 68686365 in words is "sixty-eight million, six hundred eighty-six thousand, three hundred sixty-five".