76668622686667 has 16 divisors (see below), whose sum is σ = 83672301857760. Its totient is φ = 69670580531200.

The previous prime is 76668622686641. The next prime is 76668622686679.

76668622686667 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-76668622686667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76668622686697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610254117 + ... + 610379737.

It is an arithmetic number, because the mean of its divisors is an integer number (5229518866110).

Almost surely, 2^{76668622686667} is an apocalyptic number.

76668622686667 is a deficient number, since it is larger than the sum of its proper divisors (7003679171093).

76668622686667 is a wasteful number, since it uses less digits than its factorization.

76668622686667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147614.

The product of its digits is 21069103104, while the sum is 82.

The spelling of 76668622686667 in words is "seventy-six trillion, six hundred sixty-eight billion, six hundred twenty-two million, six hundred eighty-six thousand, six hundred sixty-seven".