679486528512 has 264 divisors, whose sum is σ = 2233433554560. Its totient is φ = 196951941120.

The previous prime is 679486528471. The next prime is 679486528537. The reversal of 679486528512 is 215825684976.

679486528512 is a `hidden beast` number, since 6 + 7 + 94 + 8 + 6 + 5 + 28 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a self number, because there is not a number n which added to its sum of digits gives 679486528512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2185939 + ... + 2477357.

Almost surely, 2^679486528512 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 679486528512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116716777280).

679486528512 is an abundant number, since it is smaller than the sum of its proper divisors (1553947026048).

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

679486528512 is a wasteful number, since it uses less digits than its factorization.

679486528512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291479 (or 291458 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 679486528512 in words is "six hundred seventy-nine billion, four hundred eighty-six million, five hundred twenty-eight thousand, five hundred twelve".