68226830787 has 4 divisors (see below), whose sum is σ = 90969107720. Its totient is φ = 45484553856.

The previous prime is 68226830783. The next prime is 68226830801. The reversal of 68226830787 is 78703862286.

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 68226830787 - 2² = 68226830783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68226830783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371138462 + ... + 11371138467.

It is an arithmetic number, because the mean of its divisors is an integer number (22742276930).

Almost surely, 2^68226830787 is an apocalyptic number.

68226830787 is a deficient number, since it is larger than the sum of its proper divisors (22742276933).

68226830787 is a wasteful number, since it uses less digits than its factorization.

68226830787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22742276932.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 68226830787 in words is "sixty-eight billion, two hundred twenty-six million, eight hundred thirty thousand, seven hundred eighty-seven".