682666667 has 8 divisors (see below), whose sum is σ = 699631680. Its totient is φ = 665751240.

The previous prime is 682666631. The next prime is 682666679. The reversal of 682666667 is 766666286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 682666667 - 2²⁸ = 414231211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682666627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16292 + ... + 40382.

It is an arithmetic number, because the mean of its divisors is an integer number (87453960).

Almost surely, 2^682666667 is an apocalyptic number.

682666667 is a deficient number, since it is larger than the sum of its proper divisors (16965013).

682666667 is a wasteful number, since it uses less digits than its factorization.

682666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793.

The product of its digits is 5225472, while the sum is 53.

The square root of 682666667 is about 26127.8905960661. The cubic root of 682666667 is about 880.5139331819.

The spelling of 682666667 in words is "six hundred eighty-two million, six hundred sixty-six thousand, six hundred sixty-seven".