68785911 has 12 divisors (see below), whose sum is σ = 99805888. Its totient is φ = 45650304.

The previous prime is 68785907. The next prime is 68785943. The reversal of 68785911 is 11958786.

It is not a de Polignac number, because 68785911 - 2² = 68785907 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 (68785991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15130 + ... + 19143.

Almost surely, 2^68785911 is an apocalyptic number.

68785911 is a deficient number, since it is larger than the sum of its proper divisors (31019977).

68785911 is a wasteful number, since it uses less digits than its factorization.

68785911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34502 (or 34499 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 68785911 is about 8293.7272079566. The cubic root of 68785911 is about 409.7319505118.

It can be divided in two parts, 68785 and 911, that added together give a palindrome (69696).

The spelling of 68785911 in words is "sixty-eight million, seven hundred eighty-five thousand, nine hundred eleven".