679477216 has 96 divisors (see below), whose sum is σ = 1554577920. Its totient is φ = 288921600.

The previous prime is 679477177. The next prime is 679477223. The reversal of 679477216 is 612774976.

It is a super-2 number, since 2×679477216² = 923378574126221312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679477216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621455 + ... + 1621873.

It is an arithmetic number, because the mean of its divisors is an integer number (16193520).

Almost surely, 2^679477216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679477216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777288960).

679477216 is an abundant number, since it is smaller than the sum of its proper divisors (875100704).

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

679477216 is a wasteful number, since it uses less digits than its factorization.

679477216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 720 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 679477216 is about 26066.7837678529. The cubic root of 679477216 is about 879.1405244799.

The spelling of 679477216 in words is "six hundred seventy-nine million, four hundred seventy-seven thousand, two hundred sixteen".