679886616 has 32 divisors (see below), whose sum is σ = 1710552240. Its totient is φ = 225184128.

The previous prime is 679886609. The next prime is 679886617. The reversal of 679886616 is 616688976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679886617) by changing a digit.

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, 86451 + ... + 93986.

Almost surely, 2^679886616 is an apocalyptic number.

It is an amenable number.

679886616 is an abundant number, since it is smaller than the sum of its proper divisors (1030665624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679886616 is a wasteful number, since it uses less digits than its factorization.

679886616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180603 (or 180599 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 679886616 is about 26074.6354912202. The cubic root of 679886616 is about 879.3170562114.

The spelling of 679886616 in words is "six hundred seventy-nine million, eight hundred eighty-six thousand, six hundred sixteen".