68284655 has 16 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 53221632.

The previous prime is 68284649. The next prime is 68284669. The reversal of 68284655 is 55648286.

It is a cyclic number.

It is not a de Polignac number, because 68284655 - 2¹² = 68280559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64571 + ... + 65619.

It is an arithmetic number, because the mean of its divisors is an integer number (5254200).

Almost surely, 2^68284655 is an apocalyptic number.

68284655 is a deficient number, since it is larger than the sum of its proper divisors (15782545).

68284655 is a wasteful number, since it uses less digits than its factorization.

68284655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its digits is 460800, while the sum is 44.

The square root of 68284655 is about 8263.4529707623. The cubic root of 68284655 is about 408.7342582634.

The spelling of 68284655 in words is "sixty-eight million, two hundred eighty-four thousand, six hundred fifty-five".