68323799 has 4 divisors (see below), whose sum is σ = 72342864. Its totient is φ = 64304736.

The previous prime is 68323789. The next prime is 68323807. The reversal of 68323799 is 99732386.

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 68323799 - 2⁸ = 68323543 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 (68323709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009507 + ... + 2009540.

It is an arithmetic number, because the mean of its divisors is an integer number (18085716).

Almost surely, 2^68323799 is an apocalyptic number.

68323799 is a deficient number, since it is larger than the sum of its proper divisors (4019065).

68323799 is a wasteful number, since it uses less digits than its factorization.

68323799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019064.

The product of its digits is 489888, while the sum is 47.

The square root of 68323799 is about 8265.8211328337. The cubic root of 68323799 is about 408.8123452926.

The spelling of 68323799 in words is "sixty-eight million, three hundred twenty-three thousand, seven hundred ninety-nine".