679287028914 has 96 divisors (see below), whose sum is σ = 1597011159744. Its totient is φ = 207432247680.

The previous prime is 679287028883. The next prime is 679287028921. The reversal of 679287028914 is 419820782976.

679287028914 is a `hidden beast` number, since 6 + 79 + 287 + 0 + 289 + 1 + 4 = 666.

679287028914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679287028914² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23100529 + ... + 23129915.

It is an arithmetic number, because the mean of its divisors is an integer number (16635532914).

Almost surely, 2^679287028914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679287028914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798505579872).

679287028914 is an abundant number, since it is smaller than the sum of its proper divisors (917724130830).

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

679287028914 is a wasteful number, since it uses less digits than its factorization.

679287028914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30152 (or 30149 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 679287028914 in words is "six hundred seventy-nine billion, two hundred eighty-seven million, twenty-eight thousand, nine hundred fourteen".