64967677676879 has 2 divisors, whose sum is σ = 64967677676880. Its totient is φ = 64967677676878.

The previous prime is 64967677676843. The next prime is 64967677676947. The reversal of 64967677676879 is 97867677676946.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64967677676879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64967677676791 and 64967677676800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64967677676819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32483838838439 + 32483838838440.

It is an arithmetic number, because the mean of its divisors is an integer number (32483838838440).

Almost surely, 2^{64967677676879} is an apocalyptic number.

64967677676879 is a deficient number, since it is larger than the sum of its proper divisors (1).

64967677676879 is an equidigital number, since it uses as much as digits as its factorization.

64967677676879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338751673344, while the sum is 95.

The spelling of 64967677676879 in words is "sixty-four trillion, nine hundred sixty-seven billion, six hundred seventy-seven million, six hundred seventy-six thousand, eight hundred seventy-nine".