68285199 has 4 divisors (see below), whose sum is σ = 91046936. Its totient is φ = 45523464.

The previous prime is 68285177. The next prime is 68285201. The reversal of 68285199 is 99158286.

It is a happy number.

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

It is not a de Polignac number, because 68285199 - 2⁵ = 68285167 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 (68285699) 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, 11380864 + ... + 11380869.

It is an arithmetic number, because the mean of its divisors is an integer number (22761734).

Almost surely, 2^68285199 is an apocalyptic number.

68285199 is a deficient number, since it is larger than the sum of its proper divisors (22761737).

68285199 is a wasteful number, since it uses less digits than its factorization.

68285199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22761736.

The product of its digits is 311040, while the sum is 48.

The square root of 68285199 is about 8263.4858867188. The cubic root of 68285199 is about 408.7353436748.

The spelling of 68285199 in words is "sixty-eight million, two hundred eighty-five thousand, one hundred ninety-nine".