679232866 has 8 divisors (see below), whose sum is σ = 1097222364. Its totient is φ = 313492080.

The previous prime is 679232837. The next prime is 679232927. The reversal of 679232866 is 668232976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 668481025 + 10751841 = 25855^2 + 3279^2 .

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

It is a super-2 number, since 2×679232866² = 922714572509147912, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 13062145 + ... + 13062196.

Almost surely, 2^679232866 is an apocalyptic number.

679232866 is a deficient number, since it is larger than the sum of its proper divisors (417989498).

679232866 is a wasteful number, since it uses less digits than its factorization.

679232866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26124356.

The product of its digits is 1306368, while the sum is 49.

The square root of 679232866 is about 26062.0963469940. The cubic root of 679232866 is about 879.0351278908.

The spelling of 679232866 in words is "six hundred seventy-nine million, two hundred thirty-two thousand, eight hundred sixty-six".