68389774867676 has 12 divisors (see below), whose sum is σ = 119743512961800. Its totient is φ = 34177342592880.

The previous prime is 68389774867657. The next prime is 68389774867699. The reversal of 68389774867676 is 67676847798386.

It is a happy number.

It is a super-2 number, since 2×68389774867676² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386201470 + ... + 4386217061.

It is an arithmetic number, because the mean of its divisors is an integer number (9978626080150).

Almost surely, 2^{68389774867676} is an apocalyptic number.

It is an amenable number.

68389774867676 is a deficient number, since it is larger than the sum of its proper divisors (51353738094124).

68389774867676 is a wasteful number, since it uses less digits than its factorization.

68389774867676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772420484 (or 8772420482 counting only the distinct ones).

The product of its digits is 172064342016, while the sum is 92.

The spelling of 68389774867676 in words is "sixty-eight trillion, three hundred eighty-nine billion, seven hundred seventy-four million, eight hundred sixty-seven thousand, six hundred seventy-six".