68097311 has 4 divisors (see below), whose sum is σ = 71681400. Its totient is φ = 64513224.

The previous prime is 68097301. The next prime is 68097329. The reversal of 68097311 is 11379086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68097311 - 2¹⁴ = 68080927 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 (68097301) 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 3 ways as a sum of consecutive naturals, for example, 1792016 + ... + 1792053.

It is an arithmetic number, because the mean of its divisors is an integer number (17920350).

Almost surely, 2^68097311 is an apocalyptic number.

68097311 is a deficient number, since it is larger than the sum of its proper divisors (3584089).

68097311 is a wasteful number, since it uses less digits than its factorization.

68097311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584088.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 68097311 is about 8252.1094878825. The cubic root of 68097311 is about 408.3601183411.

The spelling of 68097311 in words is "sixty-eight million, ninety-seven thousand, three hundred eleven".