682079999 has 4 divisors (see below), whose sum is σ = 683079336. Its totient is φ = 681080664.

The previous prime is 682079987. The next prime is 682080017. The reversal of 682079999 is 999970286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682079999 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 (682079929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498644 + ... + 500009.

It is an arithmetic number, because the mean of its divisors is an integer number (170769834).

Almost surely, 2^682079999 is an apocalyptic number.

682079999 is a deficient number, since it is larger than the sum of its proper divisors (999337).

682079999 is an equidigital number, since it uses as much as digits as its factorization.

682079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999336.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The square root of 682079999 is about 26116.6613295038. The cubic root of 682079999 is about 880.2616297666.

The spelling of 682079999 in words is "six hundred eighty-two million, seventy-nine thousand, nine hundred ninety-nine".