679298880 has 336 divisors, whose sum is σ = 2409626880. Its totient is φ = 161980416.

The previous prime is 679298839. The next prime is 679298891. The reversal of 679298880 is 88892976.

It is a super-2 number, since 2×679298880² = 922893936738508800, 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 679298880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8598681 + ... + 8598759.

Almost surely, 2^679298880 is an apocalyptic number.

679298880 is a gapful number since it is divisible by the number (60) 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 679298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204813440).

679298880 is an abundant number, since it is smaller than the sum of its proper divisors (1730328000).

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

679298880 is a wasteful number, since it uses less digits than its factorization.

679298880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The square root of 679298880 is about 26063.3627914742. The cubic root of 679298880 is about 879.0636044992.

The spelling of 679298880 in words is "six hundred seventy-nine million, two hundred ninety-eight thousand, eight hundred eighty".