673657676814 has 16 divisors (see below), whose sum is σ = 1347325276752. Its totient is φ = 224550905088.

The previous prime is 673657676767. The next prime is 673657676821. The reversal of 673657676814 is 418676756376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699552 + ... + 1355244.

It is an arithmetic number, because the mean of its divisors is an integer number (84207829797).

Almost surely, 2^673657676814 is an apocalyptic number.

673657676814 is an abundant number, since it is smaller than the sum of its proper divisors (673667599938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673657676814 is a wasteful number, since it uses less digits than its factorization.

673657676814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826931.

The product of its digits is 213373440, while the sum is 66.

The spelling of 673657676814 in words is "six hundred seventy-three billion, six hundred fifty-seven million, six hundred seventy-six thousand, eight hundred fourteen".