678594576 has 320 divisors, whose sum is σ = 2236999680. Its totient is φ = 174366720.

The previous prime is 678594571. The next prime is 678594583. The reversal of 678594576 is 675495876.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (678594571) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3922426 + ... + 3922598.

It is an arithmetic number, because the mean of its divisors is an integer number (6990624).

Almost surely, 2^678594576 is an apocalyptic number.

678594576 is a gapful number since it is divisible by the number (66) 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 678594576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118499840).

678594576 is an abundant number, since it is smaller than the sum of its proper divisors (1558405104).

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

678594576 is a wasteful number, since it uses less digits than its factorization.

678594576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The square root of 678594576 is about 26049.8479074255. The cubic root of 678594576 is about 878.7596920746.

The spelling of 678594576 in words is "six hundred seventy-eight million, five hundred ninety-four thousand, five hundred seventy-six".