679454788320 has 1152 divisors, whose sum is σ = 3039880596480. Its totient is φ = 139206574080.

The previous prime is 679454788297. The next prime is 679454788333. The reversal of 679454788320 is 23887454976.

679454788320 is a `hidden beast` number, since 6 + 7 + 9 + 4 + 547 + 8 + 83 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 218542926 + ... + 218546034.

It is an arithmetic number, because the mean of its divisors is an integer number (2638785240).

Almost surely, 2^679454788320 is an apocalyptic number.

679454788320 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 679454788320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519940298240).

679454788320 is an abundant number, since it is smaller than the sum of its proper divisors (2360425808160).

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

679454788320 is a wasteful number, since it uses less digits than its factorization.

679454788320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 679454788320 in words is "six hundred seventy-nine billion, four hundred fifty-four million, seven hundred eighty-eight thousand, three hundred twenty".