678387375 has 24 divisors (see below), whose sum is σ = 1222908336. Its totient is φ = 361806000.

The previous prime is 678387373. The next prime is 678387379. The reversal of 678387375 is 573783876.

It is not a de Polignac number, because 678387375 - 2¹ = 678387373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678387373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300381 + ... + 302630.

It is an arithmetic number, because the mean of its divisors is an integer number (50954514).

Almost surely, 2^678387375 is an apocalyptic number.

678387375 is a deficient number, since it is larger than the sum of its proper divisors (544520961).

678387375 is a wasteful number, since it uses less digits than its factorization.

678387375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603032 (or 603019 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 678387375 is about 26045.8705940116. The cubic root of 678387375 is about 878.6702432694.

The spelling of 678387375 in words is "six hundred seventy-eight million, three hundred eighty-seven thousand, three hundred seventy-five".