679910002 has 16 divisors (see below), whose sum is σ = 1109044440. Its totient is φ = 311309568.

The previous prime is 679909991. The next prime is 679910051. The reversal of 679910002 is 200019976.

It can be written as a sum of positive squares in 4 ways, for example, as 636098841 + 43811161 = 25221^2 + 6619^2 .

It is a super-2 number, since 2×679910002² = 924555221639280008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 679910002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268977 + ... + 271492.

Almost surely, 2^679910002 is an apocalyptic number.

679910002 is a deficient number, since it is larger than the sum of its proper divisors (429134438).

679910002 is a wasteful number, since it uses less digits than its factorization.

679910002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540525.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 679910002 is about 26075.0839308333. The cubic root of 679910002 is about 879.3271380262.

Adding to 679910002 its reverse (200019976), we get a palindrome (879929978).

The spelling of 679910002 in words is "six hundred seventy-nine million, nine hundred ten thousand, two".