679982623 has 4 divisors (see below), whose sum is σ = 680163048. Its totient is φ = 679802200.

The previous prime is 679982599. The next prime is 679982669. The reversal of 679982623 is 326289976.

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

It is a cyclic number.

It is not a de Polignac number, because 679982623 - 2¹³ = 679974431 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 (679982683) 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, 84436 + ... + 92137.

It is an arithmetic number, because the mean of its divisors is an integer number (170040762).

Almost surely, 2^679982623 is an apocalyptic number.

679982623 is a deficient number, since it is larger than the sum of its proper divisors (180425).

679982623 is a wasteful number, since it uses less digits than its factorization.

679982623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180424.

The product of its digits is 1959552, while the sum is 52.

The square root of 679982623 is about 26076.4764299167. The cubic root of 679982623 is about 879.3584438081.

The spelling of 679982623 in words is "six hundred seventy-nine million, nine hundred eighty-two thousand, six hundred twenty-three".