67647744774676 has 12 divisors (see below), whose sum is σ = 129145694569920. Its totient is φ = 30748974897560.

The previous prime is 67647744774611. The next prime is 67647744774739.

67647744774676 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 67647744774676.

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, 768724372396 + ... + 768724372483.

It is an arithmetic number, because the mean of its divisors is an integer number (10762141214160).

Almost surely, 2^{67647744774676} is an apocalyptic number.

It is an amenable number.

67647744774676 is a deficient number, since it is larger than the sum of its proper divisors (61497949795244).

67647744774676 is a wasteful number, since it uses less digits than its factorization.

67647744774676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537448744894 (or 1537448744892 counting only the distinct ones).

The product of its digits is 39033114624, while the sum is 82.

The spelling of 67647744774676 in words is "sixty-seven trillion, six hundred forty-seven billion, seven hundred forty-four million, seven hundred seventy-four thousand, six hundred seventy-six".