679918983184 has 105 divisors (see below), whose sum is σ = 1539459825501. Its totient is φ = 290909001600.

The previous prime is 679918983157. The next prime is 679918983199. The reversal of 679918983184 is 481389819976.

The square root of 679918983184 is 824572.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 571493664784 + 108425318400 = 755972^2 + 329280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1131312484 + ... + 1131313084.

Almost surely, 2^679918983184 is an apocalyptic number.

679918983184 is the 824572-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679918983184

679918983184 is an abundant number, since it is smaller than the sum of its proper divisors (859540842317).

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

679918983184 is an frugal number, since it uses more digits than its factorization.

679918983184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 610 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 73.

The spelling of 679918983184 in words is "six hundred seventy-nine billion, nine hundred eighteen million, nine hundred eighty-three thousand, one hundred eighty-four".