676697662717 has 4 divisors (see below), whose sum is σ = 691095485376. Its totient is φ = 662299840060.

The previous prime is 676697662687. The next prime is 676697662723. The reversal of 676697662717 is 717266796676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676697662717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676697662217) 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 3 ways as a sum of consecutive naturals, for example, 7198911259 + ... + 7198911352.

It is an arithmetic number, because the mean of its divisors is an integer number (172773871344).

Almost surely, 2^676697662717 is an apocalyptic number.

It is an amenable number.

676697662717 is a deficient number, since it is larger than the sum of its proper divisors (14397822659).

676697662717 is a wasteful number, since it uses less digits than its factorization.

676697662717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14397822658.

The product of its digits is 336063168, while the sum is 70.

The spelling of 676697662717 in words is "six hundred seventy-six billion, six hundred ninety-seven million, six hundred sixty-two thousand, seven hundred seventeen".