678383302 has 4 divisors (see below), whose sum is σ = 1017574956. Its totient is φ = 339191650.

The previous prime is 678383297. The next prime is 678383309. The reversal of 678383302 is 203383876.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678383309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169595824 + ... + 169595827.

It is an arithmetic number, because the mean of its divisors is an integer number (254393739).

Almost surely, 2^678383302 is an apocalyptic number.

678383302 is a deficient number, since it is larger than the sum of its proper divisors (339191654).

678383302 is a wasteful number, since it uses less digits than its factorization.

678383302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339191653.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 678383302 is about 26045.7924049164. The cubic root of 678383302 is about 878.6684847702.

The spelling of 678383302 in words is "six hundred seventy-eight million, three hundred eighty-three thousand, three hundred two".