678360285 has 32 divisors (see below), whose sum is σ = 1218430080. Its totient is φ = 358055424.

The previous prime is 678360271. The next prime is 678360323. The reversal of 678360285 is 582063876.

678360285 is a `hidden beast` number, since 6 + 7 + 8 + 360 + 285 = 666.

It is not a de Polignac number, because 678360285 - 2⁴ = 678360269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 678360285.

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, 12807 + ... + 38996.

It is an arithmetic number, because the mean of its divisors is an integer number (38075940).

Almost surely, 2^678360285 is an apocalyptic number.

It is an amenable number.

678360285 is a deficient number, since it is larger than the sum of its proper divisors (540069795).

678360285 is a wasteful number, since it uses less digits than its factorization.

678360285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51914 (or 51908 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 678360285 is about 26045.3505447709. The cubic root of 678360285 is about 878.6585471527.

The spelling of 678360285 in words is "six hundred seventy-eight million, three hundred sixty thousand, two hundred eighty-five".