68786812097667 has 12 divisors (see below), whose sum is σ = 101906452138440. Its totient is φ = 45857846001276.

The previous prime is 68786812097579. The next prime is 68786812097699. The reversal of 68786812097667 is 76679021868786.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 68786812097667 - 2²⁶ = 68786744988803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68786812097867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42297684 + ... + 43893822.

It is an arithmetic number, because the mean of its divisors is an integer number (8492204344870).

Almost surely, 2^{68786812097667} is an apocalyptic number.

68786812097667 is a deficient number, since it is larger than the sum of its proper divisors (33119640040773).

68786812097667 is an frugal number, since it uses more digits than its factorization.

68786812097667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192287 (or 1596142 counting only the distinct ones).

The product of its (nonzero) digits is 4096770048, while the sum is 81.

The spelling of 68786812097667 in words is "sixty-eight trillion, seven hundred eighty-six billion, eight hundred twelve million, ninety-seven thousand, six hundred sixty-seven".