68935911 has 16 divisors (see below), whose sum is σ = 100804608. Its totient is φ = 41556800.

The previous prime is 68935907. The next prime is 68935913. The reversal of 68935911 is 11953986.

It is a cyclic number.

It is not a de Polignac number, because 68935911 - 2² = 68935907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68935913) 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, 835 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (6300288).

Almost surely, 2^68935911 is an apocalyptic number.

68935911 is a deficient number, since it is larger than the sum of its proper divisors (31868697).

68935911 is a wasteful number, since it uses less digits than its factorization.

68935911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142.

The product of its digits is 58320, while the sum is 42.

The square root of 68935911 is about 8302.7652622485. The cubic root of 68935911 is about 410.0295655856.

The spelling of 68935911 in words is "sixty-eight million, nine hundred thirty-five thousand, nine hundred eleven".