578674664406 has 64 divisors (see below), whose sum is σ = 1307998195200. Its totient is φ = 189599810400.

The previous prime is 578674664387. The next prime is 578674664413. The reversal of 578674664406 is 604466476875.

It is a happy number.

578674664406 is a `hidden beast` number, since 5 + 78 + 67 + 4 + 66 + 440 + 6 = 666.

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, 1041060 + ... + 1497048.

It is an arithmetic number, because the mean of its divisors is an integer number (20437471800).

Almost surely, 2^578674664406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578674664406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653999097600).

578674664406 is an abundant number, since it is smaller than the sum of its proper divisors (729323530794).

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

578674664406 is a wasteful number, since it uses less digits than its factorization.

578674664406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456402 (or 456396 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 578674664406 in words is "five hundred seventy-eight billion, six hundred seventy-four million, six hundred sixty-four thousand, four hundred six".