68759911 has 8 divisors (see below), whose sum is σ = 76840848. Its totient is φ = 60984000.

The previous prime is 68759893. The next prime is 68759927. The reversal of 68759911 is 11995786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68759911 - 2⁹ = 68759399 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 (68759011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75780 + ... + 76681.

It is an arithmetic number, because the mean of its divisors is an integer number (9605106).

Almost surely, 2^68759911 is an apocalyptic number.

68759911 is a deficient number, since it is larger than the sum of its proper divisors (8080937).

68759911 is a wasteful number, since it uses less digits than its factorization.

68759911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152513.

The product of its digits is 136080, while the sum is 46.

The square root of 68759911 is about 8292.1596101378. The cubic root of 68759911 is about 409.6803199135.

The spelling of 68759911 in words is "sixty-eight million, seven hundred fifty-nine thousand, nine hundred eleven".