679111576384 has 56 divisors (see below), whose sum is σ = 1361826982208. Its totient is φ = 335975731200.

The previous prime is 679111576291. The next prime is 679111576399. The reversal of 679111576384 is 483675111976.

It is a happy number.

It is a super-2 number, since 2×679111576384² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33034909 + ... + 33055459.

It is an arithmetic number, because the mean of its divisors is an integer number (24318338968).

Almost surely, 2^679111576384 is an apocalyptic number.

679111576384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679111576384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680913491104).

679111576384 is an abundant number, since it is smaller than the sum of its proper divisors (682715405824).

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

679111576384 is a wasteful number, since it uses less digits than its factorization.

679111576384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25983 (or 25973 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 58.

The spelling of 679111576384 in words is "six hundred seventy-nine billion, one hundred eleven million, five hundred seventy-six thousand, three hundred eighty-four".