679985103 has 24 divisors (see below), whose sum is σ = 1059250608. Its totient is φ = 386875776.

The previous prime is 679985063. The next prime is 679985113. The reversal of 679985103 is 301589976.

It is not a de Polignac number, because 679985103 - 2¹⁷ = 679854031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679985113) 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 23 ways as a sum of consecutive naturals, for example, 24325 + ... + 44177.

It is an arithmetic number, because the mean of its divisors is an integer number (44135442).

Almost surely, 2^679985103 is an apocalyptic number.

679985103 is a deficient number, since it is larger than the sum of its proper divisors (379265505).

679985103 is a wasteful number, since it uses less digits than its factorization.

679985103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103 (or 20096 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 679985103 is about 26076.5239823102. The cubic root of 679985103 is about 879.3595128581.

The spelling of 679985103 in words is "six hundred seventy-nine million, nine hundred eighty-five thousand, one hundred three".