68797911 has 64 divisors (see below), whose sum is σ = 119168000. Its totient is φ = 35054208.

The previous prime is 68797909. The next prime is 68797913. The reversal of 68797911 is 11979786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68797909) and next prime (68797913).

It is not a de Polignac number, because 68797911 - 2¹ = 68797909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68797913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 494880 + ... + 495018.

It is an arithmetic number, because the mean of its divisors is an integer number (1862000).

Almost surely, 2^68797911 is an apocalyptic number.

68797911 is a deficient number, since it is larger than the sum of its proper divisors (50370089).

68797911 is a wasteful number, since it uses less digits than its factorization.

68797911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 199 counting only the distinct ones).

The product of its digits is 190512, while the sum is 48.

The square root of 68797911 is about 8294.4506147183. The cubic root of 68797911 is about 409.7557756307.

The spelling of 68797911 in words is "sixty-eight million, seven hundred ninety-seven thousand, nine hundred eleven".