678424032375 has 32 divisors (see below), whose sum is σ = 1133870849280. Its totient is φ = 360232157600.

The previous prime is 678424032359. The next prime is 678424032431. The reversal of 678424032375 is 573230424876.

It is not a de Polignac number, because 678424032375 - 2⁴ = 678424032359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3899745 + ... + 4069994.

It is an arithmetic number, because the mean of its divisors is an integer number (35433464040).

Almost surely, 2^678424032375 is an apocalyptic number.

678424032375 is a deficient number, since it is larger than the sum of its proper divisors (455446816905).

678424032375 is a wasteful number, since it uses less digits than its factorization.

678424032375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969984 (or 7969974 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 678424032375 in words is "six hundred seventy-eight billion, four hundred twenty-four million, thirty-two thousand, three hundred seventy-five".