68834511 has 12 divisors (see below), whose sum is σ = 104660920. Its totient is φ = 43474320.

The previous prime is 68834509. The next prime is 68834537. The reversal of 68834511 is 11543886.

68834511 is a `hidden beast` number, since 68 + 83 + 4 + 511 = 666.

It is not a de Polignac number, because 68834511 - 2¹ = 68834509 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 (68834551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201100 + ... + 201441.

Almost surely, 2^68834511 is an apocalyptic number.

68834511 is a deficient number, since it is larger than the sum of its proper divisors (35826409).

68834511 is a wasteful number, since it uses less digits than its factorization.

68834511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402566 (or 402563 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68834511 is about 8296.6566157700. The cubic root of 68834511 is about 409.8284251366.

The spelling of 68834511 in words is "sixty-eight million, eight hundred thirty-four thousand, five hundred eleven".