679206103 has 4 divisors (see below), whose sum is σ = 679645008. Its totient is φ = 678767200.

The previous prime is 679206079. The next prime is 679206107. The reversal of 679206103 is 301602976.

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-679206103 is a prime.

It is a super-2 number, since 2×679206103² = 922641860704893218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679206107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217123 + ... + 220228.

It is an arithmetic number, because the mean of its divisors is an integer number (169911252).

Almost surely, 2^679206103 is an apocalyptic number.

679206103 is a deficient number, since it is larger than the sum of its proper divisors (438905).

679206103 is a wasteful number, since it uses less digits than its factorization.

679206103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438904.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 679206103 is about 26061.5828951351. The cubic root of 679206103 is about 879.0235825493.

The spelling of 679206103 in words is "six hundred seventy-nine million, two hundred six thousand, one hundred three".