68299199 has 4 divisors (see below), whose sum is σ = 69418920. Its totient is φ = 67179480.

The previous prime is 68299193. The next prime is 68299207. The reversal of 68299199 is 99199286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99199286 = 2 ⋅49599643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68299199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68299199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68299193) 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, 559769 + ... + 559890.

It is an arithmetic number, because the mean of its divisors is an integer number (17354730).

Almost surely, 2^68299199 is an apocalyptic number.

68299199 is a deficient number, since it is larger than the sum of its proper divisors (1119721).

68299199 is a wasteful number, since it uses less digits than its factorization.

68299199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119720.

The product of its digits is 629856, while the sum is 53.

The square root of 68299199 is about 8264.3329434383. The cubic root of 68299199 is about 408.7632750757.

The spelling of 68299199 in words is "sixty-eight million, two hundred ninety-nine thousand, one hundred ninety-nine".