67668522586677 has 48 divisors (see below), whose sum is σ = 98561853067392. Its totient is φ = 44736583357440.

The previous prime is 67668522586661. The next prime is 67668522586741. The reversal of 67668522586677 is 77668522586676.

67668522586677 is a `hidden beast` number, since 6 + 7 + 6 + 6 + 8 + 5 + 22 + 586 + 6 + 7 + 7 = 666.

It is not a de Polignac number, because 67668522586677 - 2⁴ = 67668522586661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67668522586596 and 67668522586605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67668522586607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493224913 + ... + 493362089.

It is an arithmetic number, because the mean of its divisors is an integer number (2053371938904).

Almost surely, 2^{67668522586677} is an apocalyptic number.

It is an amenable number.

67668522586677 is a deficient number, since it is larger than the sum of its proper divisors (30893330480715).

67668522586677 is a wasteful number, since it uses less digits than its factorization.

67668522586677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138378 (or 138375 counting only the distinct ones).

The product of its digits is 17069875200, while the sum is 81.

Subtracting 67668522586677 from its reverse (77668522586676), we obtain a palindrome (9999999999999).

The spelling of 67668522586677 in words is "sixty-seven trillion, six hundred sixty-eight billion, five hundred twenty-two million, five hundred eighty-six thousand, six hundred seventy-seven".