678343302 has 256 divisors, whose sum is σ = 1973207040. Its totient is φ = 167961600.

The previous prime is 678343279. The next prime is 678343381. The reversal of 678343302 is 203343876.

678343302 is a `hidden beast` number, since 6 + 7 + 8 + 343 + 302 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9292338 + ... + 9292410.

It is an arithmetic number, because the mean of its divisors is an integer number (7707840).

Almost surely, 2^678343302 is an apocalyptic number.

678343302 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 678343302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986603520).

678343302 is an abundant number, since it is smaller than the sum of its proper divisors (1294863738).

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

678343302 is a wasteful number, since it uses less digits than its factorization.

678343302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 678343302 is about 26045.0245152505. The cubic root of 678343302 is about 878.6512145779.

The spelling of 678343302 in words is "six hundred seventy-eight million, three hundred forty-three thousand, three hundred two".